APA (7th ed.) Citation

Shapp, M., & Shapp, C. (1962). Let's find out about wheels. Franklin Watts.

Chicago Style (17th ed.) Citation

Shapp, Martha, and C. Shapp. Let's Find Out About Wheels. New York: Franklin Watts, 1962.

MLA (9th ed.) Citation

Shapp, Martha, and C. Shapp. Let's Find Out About Wheels. Franklin Watts, 1962.