Cita APA (7th ed.)

ZASTROW, C., & ASHMAN, K. K. (1987). Understanding human behavior and the social environment. Nelson-Hall.

Cita Chicago (17th ed.)

ZASTROW, Charles, i Karen K.Kirst ASHMAN. Understanding Human Behavior and the Social Environment. Chicago: Nelson-Hall, 1987.

Cita MLA (9th ed.)

ZASTROW, Charles, i Karen K.Kirst ASHMAN. Understanding Human Behavior and the Social Environment. Nelson-Hall, 1987.