Author, A. A. (Date of publication). Title of entry/article in sentence case. In A. Editor (Ed.), Title of work in sentence case and italics (edition number if available, page number(s) of entry/article). City, State or Country: Publishing Company.
There are two options for citing this source in-text:
1) Last names of author, year of publication, and page number(s) are placed in brackets at the end of the sentence:
...(Campbell, 2012, p. 27).
2) Alternatively, the citation may be integrated into the sentence with a signal phrase and narrative:
According to Campbell, multiple research studies show the "nutritional, immunological, cognitive, and psychological benefits" of breastfeeding (2012, p. 27).
APA rules for in-text citation change depending on the number/type of author(s). Count the authors and follow the rule below:
Smith (the secondary source) refers to the ideas of Johnson (the original source):
> Option 1 - Johnson (2008) argued that the Calgary stampede is rooted in conservative political ideologies (as cited in Smith, 2013, pp. 102-103).
In the References list at the end of your assignment, only cite the source by Smith.
Holden et al. (the secondary source) cite multiple research studies (the original sources):
> Option 2 - An increasing amount of critical analysis and evidence have undermined "the notion that digital natives have a unique aptitude for digital technologies (Hargittai & Feldman, 2010; Jones & Czerniewicz, 2010; Hope, 2011)” (Holden et al., 2012, p. 18).
> Option 3 - Multiple research studies have undermined "the notion that digital natives have a unique aptitude for digital technologies" (Holden et al., 2012, p. 18).
In the References list at the end of your assignment, only cite the source by Holden et al.