APA

Kagen J., Segal J., . (1988). Psychology. New York: Harcourt Bracre.

Chicago

Kagen Jerome, Segal Julius, . 1988. Psychology. New York: Harcourt Bracre.

Harvard

Kagen J., Segal J., . (1988). Psychology. New York: Harcourt Bracre.

MLA

Kagen Jerome, Segal Julius, . Psychology. New York: Harcourt Bracre. 1988.