Cita APA

Bennett, J., & Shostak, G. S. (2007). Life in the universe (Second edition.). Pearson Addison Wesley.

Citación estilo Chicago

Bennett, Jeffrey, and G. Seth Shostak. Life in the Universe. Second edition. San Francisco: Pearson Addison Wesley, 2007.

Cita MLA

Bennett, Jeffrey, and G. Seth Shostak. Life in the Universe. Second edition. Pearson Addison Wesley, 2007.