APA (7th ed.) Citation

Smith, E. E. (1965). Second stage Lensmen (Pyramid ed.). Pyramid Publications.

Chicago Style (17th ed.) Citation

Smith, E. E. Second Stage Lensmen. Pyramid ed. New York: Pyramid Publications, 1965.

MLA (9th ed.) Citation

Smith, E. E. Second Stage Lensmen. Pyramid ed. Pyramid Publications, 1965.