Cita APA (7a ed.)

Goldsmith, D., & Owen, T. (1978). The search for life in the universe. Addison-Wesley.

Cita Chicago Style (17a ed.)

Goldsmith, Donald, y Tobias Owen. The Search for Life in the Universe. California: Addison-Wesley, 1978.

Cita MLA (9a ed.)

Goldsmith, Donald, y Tobias Owen. The Search for Life in the Universe. Addison-Wesley, 1978.