Cita APA (7a ed.)
Goldsmith, D., & Owen, T. (2002). The search for life in the universe (3rd ed.). California.
Cita Chicago Style (17a ed.)
Goldsmith, Donald, y Tobias Owen. The Search for Life in the Universe. 3rd ed. University science books: California, 2002.
Cita MLA (9a ed.)
Goldsmith, Donald, y Tobias Owen. The Search for Life in the Universe. 3rd ed. California, 2002.
Precaución: Estas citas no son 100% exactas.