APA (7th ed.) Citation

Leinster, M., & High, P. E. (1966). Space captain. Ace Books.

Chicago Style (17th ed.) Citation

Leinster, Murray, and Philip E. High. Space Captain. New York: Ace Books, 1966.

MLA (9th ed.) Citation

Leinster, Murray, and Philip E. High. Space Captain. Ace Books, 1966.