APA (7th ed.) Citation

Elting, M., Goodman, A., & Swan, S. (1980). Dinosaur mysteries. Platt & Munk.

Chicago Style (17th ed.) Citation

Elting, Mary, Ann Goodman, and Susan Swan. Dinosaur Mysteries. New York: Platt & Munk, 1980.

MLA (9th ed.) Citation

Elting, Mary, et al. Dinosaur Mysteries. Platt & Munk, 1980.