The Writing Center @ The University of Wisconsin - Madison
The Writer's Handbook
APA Documentation Guide

Cite multiple sources in one reference

Two or more works in parentheses

Arrange by order of the reference list; use a semicolon between works

Several researchers (Alibali, Phillips, & Fischer, 2009 Siegler, 1976) . . .

Two or more works by the same author(s)

Don't repeat name(s) earliest year first.

(Alibali, 1999, 2005)

Secondary reference

Only the secondary reference goes in the reference list

Racial injustice is one of the ecological risk factors for child psychopathology, according to Coie et al. (as cited in Greenbert, Domitrovich, & Bumbarger, 2000).