Cita APA (7th ed.)

Landy, F. J. (1987). Psychology: The science of people (2nd.ed.). Prentice - Hall.

Cita Chicago (17th ed.)

Landy, Frank J. Psychology: The Science of People. 2nd.ed. New Jersey: Prentice - Hall, 1987.

Cita MLA (9th ed.)

Landy, Frank J. Psychology: The Science of People. 2nd.ed. Prentice - Hall, 1987.