Cita APA (7a ed.)

Berman, L., & Evans, J. C. (1983). Exploring the Cosmos. Little Brown.

Cita Chicago Style (17a ed.)

Berman, Louis, y J. C. Evans. Exploring the Cosmos. Boston: Little Brown, 1983.

Cita MLA (9a ed.)

Berman, Louis, y J. C. Evans. Exploring the Cosmos. Little Brown, 1983.