APA (7th ed.) Citation

Scheer, K., Ackerman, W., & Darlton, C. (1977). The crystal prince. Ace Books.

Chicago Style (17th ed.) Citation

Scheer, K.-H., Wendayne Ackerman, and Clark Darlton. The Crystal Prince. New York, N.Y.: Ace Books, 1977.

MLA (9th ed.) Citation

Scheer, K.-H., et al. The Crystal Prince. Ace Books, 1977.