APA (7th ed.) Citation

Allen, J., & Nelson, M. (1987). Space biospheres. Orbit Book Co..

Chicago Style (17th ed.) Citation

Allen, John, and Mark Nelson. Space Biospheres. Malabar, Fla.: Orbit Book Co., 1987.

MLA (9th ed.) Citation

Allen, John, and Mark Nelson. Space Biospheres. Orbit Book Co., 1987.