Must be cited:
Doesn't need to be cited:
How do I provide an in-text citation for a source quoting an additional source/author?
It is often beneficial to locate the original source and then quote and cite from that source directly. If you cannot access the original source and must use the secondary source then you will only include the secondary source within your reference list. Here are two examples of how this would be cited within the body of your work:
Allport's diary (as cited in Nicholson, 2003).
(Rabbitt, 1982, as cited in Lyon et al., 2014)
Refer to sections 8.6, 8.32 and 8.33 in the APA 7th edition manual for additional information.
SOURCE: American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/0000165-000