Cita APA (7a ed.)

Crowe, M. J. (2008). Extraterrestrial Life Debate, Antiquity to 1915: A Source Book. University of Notre Dame.

Cita Chicago Style (17a ed.)

Crowe, Michael J. Extraterrestrial Life Debate, Antiquity to 1915: A Source Book. Notre Dame, Ind.: University of Notre Dame, 2008.

Cita MLA (8a ed.)

Crowe, Michael J. Extraterrestrial Life Debate, Antiquity to 1915: A Source Book. University of Notre Dame, 2008.