APA (7th ed.) Citation

Bova, B., & Bell, T. (1977). Closeup, new worlds. St. Martin's Press.

Chicago Style (17th ed.) Citation

Bova, Ben, and Trudy Bell. Closeup, New Worlds. New York: St. Martin's Press, 1977.

MLA (9th ed.) Citation

Bova, Ben, and Trudy Bell. Closeup, New Worlds. St. Martin's Press, 1977.