Cita APA (7a ed.)

Leedy, L. (1996). How humans make friends. Holiday House.

Cita Chicago Style (17a ed.)

Leedy, Loreen. How Humans Make Friends. New York: Holiday House, 1996.

Cita MLA (8a ed.)

Leedy, Loreen. How Humans Make Friends. Holiday House, 1996.

Precaución: Estas citas no son 100% exactas.