Basic Format of APA In Text Citations
When referring to a broad work:
(author last name, year) --> (Rizzo, 2016)
When referring to a specific page number:
(author last name, year, p.) --> (Rizzo, 2016, p. 72)
The sentence punctuation goes outside the parentheses.
Example - one author:
Louv (2012) states that the lack of outside activity is a “Nature Deficit Disorder” (p. 34).
Example - two authors:
“Teachers who provide nature play set the stage for lifelong approaches to learning” (Talbot & Frost, 2014, p. 21).