Cita APA (7th ed.)

Winfrey, L. P. (1982). Pig appeal. Walker.

Cita Chicago (17th ed.)

Winfrey, Laurie Platt. Pig Appeal. New York: Walker, 1982.

Cita MLA (9th ed.)

Winfrey, Laurie Platt. Pig Appeal. Walker, 1982.