Skip to main content

CHM 164 - Introductory Chemistry: Citing Sources

How to Cite in Various Styles

Most databases provide you with a citation for your source in MLA, APA or other styles. However, those citations often contain errors. Think of them as a rough draft. Use the guides below to help you polish up those rough citations, and avoid plagiarism in the process. Your instructor will be pleased!

Need More Help?

Both the librarians located at the Library Reference Desk (Room A212) and the writing tutors located in the Sage Learning Center (Room A247) can help you with citations.

Avoiding Plagiarism

ACS Citations

In-Text Citations

There are three ways to cite your sources in the text of your paper:

  1. By number. Sources cited this way are numbered consecutively as they are used in your paper. The number is written in italics in parenthesis before the period.
    Chemical synthesis of the compound created three products (1). 

  2. By superscript. Sources cited this way are number consecutively as they are used in your paper. The number is written in superscript immediately following the period.
    Chemical synthesis of the compound created three products.1

  3. By name and date. Sources cited this way are identified by the last name of the author followed by the year the source was published. The last name (or names, in the case of two authors) is followed by a comma and then the year. This is all included in parenthesis before the period.
    Chemical synthesis of the compound created three products (Smith, 2014).

Creating Reference Lists

The organization of your reference list depends on how you formatted your in-text citations. For options 1 and 2 (above), list your sources numerically. For option 3, list your options alphabetically by author's last name.

Your reference list should be single spaced. Do not include extra lines between source citations. 

End every citation with a period. 

Citations

Citations, or references, need to include enough information to allow for your reader to identify and locate the sources you used. 

For articles, include the authors' names, journal title, publication date, volume and issue numbers, and page information. While you do not have to include the article title, it is recommended that you do. 

For books, include the names of any authors or editors, title publisher, and the city and year of publication. When using a specific chapter in a book it is recommended that you also include the chapter title. 


Journal Articles (Print)

Author 1; Author 2; Author 3; (etc) Title of Article. Journal Title or Abbreviation Year, Volume (issue number), Page Range. 

Sanders, L.; Microbes of the Mind. Sci. News 2016, 189 (7), 22-25.

Journal Articles (Electronic)

Author 1; Author 2; Author 3; (etc) Title of Article. Journal Title or Abbreviation [Online] Year, Volume (issue number), Page Range. Database Name. URL of database (accessed Date Accessed).  

Sanders, L.; Microbes of the Mind. Sci. News [Online] 2016, 189 (7), 22-25. Academic Search Complete. https://www.ebscohost.com/academic/academic-search-complete (assessed Aug 25, 2016).

Magazine and Newspaper Articles

Author 1; Author 2; Author 3; (etc) Title of Article. Title of Magazine or Newspaper, Complete Date, Page Range. 

Goodnough, A.; Atkinson, S.; Flint Water Crisis Also Hits at Mental Health. New York Times, May 1, 2016, 16-19.

Books without Editors

Author 1; Author 2; Author 3; (etc) Chapter Title. Book Title, Edition Number; Series Information; Publisher; Place of Publication, Year; Volume Number, Pagination. 

Cobb, C.; Fetterolf, M.L.;Periodically Speaking. The Joy of Chemistry: The Amazing Science of Familiar Things, Prometheus Books; New York, 2005; 55-72.

Books with Editors

Author 1; Author 2; Author 3; (etc) Chapter Title. In Book Title, Edition Number; Editor 1, Editor 2, (etc) Eds.; Series Information; Publisher; Place of Publication, Year; Volume Number, Pagination. 

Cowan, R.S.; Prenatal Gene Manipulation Has Many Advantages. In Genetic Disorders; Green, R.M. Ed.; Opposing Viewpoints series; Greenhaven Press; Detroit, 2009; 143-149.

For More Information

Check out the document and links below for more information and help. Or just ask a librarian!