APA (7th ed.) Citation

Grissom, V. I. (1968). Gemini: A personal account of Man's venture into space. Macmillan.

Chicago Style (17th ed.) Citation

Grissom, Virgil I. Gemini: A Personal Account of Man's Venture into Space. London: Macmillan, 1968.

MLA (9th ed.) Citation

Grissom, Virgil I. Gemini: A Personal Account of Man's Venture into Space. Macmillan, 1968.

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