APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.