APA (7th ed.) Citation

Russell, E. F. (1958). Six worlds yonder. Ace Books.

Chicago Style (17th ed.) Citation

Russell, Eric Frank. Six Worlds Yonder. New York: Ace Books, 1958.

MLA (9th ed.) Citation

Russell, Eric Frank. Six Worlds Yonder. Ace Books, 1958.

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