Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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