Cita APA (7th ed.)

ENGEL, J. F. (1968). Consumer behavior. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

ENGEL, James F. Consumer Behavior. New York: Holt, Rinehart and Winston, 1968.

Cita MLA (9th ed.)

ENGEL, James F. Consumer Behavior. Holt, Rinehart and Winston, 1968.