APA (7th ed.) Citation

Ludlum, R. (1976). The Gemini contenders. Dial Press.

Chicago Style (17th ed.) Citation

Ludlum, Robert. The Gemini Contenders. New York: Dial Press, 1976.

MLA (9th ed.) Citation

Ludlum, Robert. The Gemini Contenders. Dial Press, 1976.

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