APA (7th ed.) Citation

Koontz, D. R., Morrow, G., & Petaja, E. (1968). Star quest. Ace Books, Inc..

Chicago Style (17th ed.) Citation

Koontz, Dean R., Gray Morrow, and Emil Petaja. Star Quest. New York, N.Y.: Ace Books, Inc., 1968.

MLA (8th ed.) Citation

Koontz, Dean R., et al. Star Quest. Ace Books, Inc., 1968.