APA (7th ed.) Citation

Gelman, R. G., & Gerberg, M. (1980). The biggest sandwich ever. Scholastic.

Chicago Style (17th ed.) Citation

Gelman, Rita Golden, and Mort Gerberg. The Biggest Sandwich Ever. New York: Scholastic, 1980.

MLA (9th ed.) Citation

Gelman, Rita Golden, and Mort Gerberg. The Biggest Sandwich Ever. Scholastic, 1980.