APA (7th ed.) Citation

Pohl, F., & Varley John. (1980). Nebula winners fourteen. Harper and Row.

Chicago Style (17th ed.) Citation

Pohl, Frederick, and Varley John. Nebula Winners Fourteen. New York: Harper and Row, 1980.

MLA (9th ed.) Citation

Pohl, Frederick, and Varley John. Nebula Winners Fourteen. Harper and Row, 1980.