Παραπομπή APA

Spencer A Rathus. (1999). Psychology in the new millennium (7.). Harcourt Brace college.

Παραπομπή Chicago Style

Spencer A Rathus. Psychology in the New Millennium. 7. Fort Worth: Harcourt Brace college, 1999.

Παραπομπή MLA

Spencer A Rathus. Psychology in the New Millennium. 7. Harcourt Brace college, 1999.