APA (7th ed.) Citation

Gerrold, D., & Niven, L. (1971). The flying sorcerers. Ballantine Books.

Chicago Style (17th ed.) Citation

Gerrold, David, and Larry Niven. The Flying Sorcerers. New York: Ballantine Books, 1971.

MLA (8th ed.) Citation

Gerrold, David, and Larry Niven. The Flying Sorcerers. Ballantine Books, 1971.

Warning: These citations may not always be 100% accurate.