APA (7th ed.) Citation

Conklin, G. (1952). Invaders of earth. Vanguard Press.

Chicago Style (17th ed.) Citation

Conklin, Groff. Invaders of Earth. New York: Vanguard Press, 1952.

MLA (9th ed.) Citation

Conklin, Groff. Invaders of Earth. Vanguard Press, 1952.

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