APA (7th ed.) Citation

Nyberg, B., & De Camp, L. S. (1957). The return of Conan. Gnome Press.

Chicago Style (17th ed.) Citation

Nyberg, Björn, and L. Sprague De Camp. The Return of Conan. New York: Gnome Press, 1957.

MLA (9th ed.) Citation

Nyberg, Björn, and L. Sprague De Camp. The Return of Conan. Gnome Press, 1957.

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