Citazione APA

Kagan, J., & Segal, J. H. (2004). Kagan and Segal's psychology: An introduction (9th ed.). Thomson Learning.

Stile di citazione Chicago

Kagan, Jerome, e Julius Havemann Segal. Kagan and Segal's Psychology: An Introduction. 9th ed. USA: Thomson Learning, 2004.

Citazione MLA

Kagan, Jerome, e Julius Havemann Segal. Kagan and Segal's Psychology: An Introduction. 9th ed. Thomson Learning, 2004.