Παραπομπή APA

Kagan, J., & Segal, J. Psychology: An introduction (Ed.7.).

Παραπομπή Chicago Style

Kagan, Jerome, και Julius Segal. Psychology: An Introduction. Ed.7. Philadelphia, Harcourt Brace Jovanovich College.

Παραπομπή MLA

Kagan, Jerome, και Julius Segal. Psychology: An Introduction. Ed.7.