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).
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