Cita APA (7a ed.)

Allard, H., & Marshall, J. (1989). The stupids take off. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Allard, Harry, y James Marshall. The Stupids Take off. Boston: Houghton Mifflin, 1989.

Cita MLA (8a ed.)

Allard, Harry, y James Marshall. The Stupids Take off. Houghton Mifflin, 1989.

Precaución: Estas citas no son 100% exactas.