Cita APA

Regis, E. 1. (1985). Extraterrestrials: Science and alien intelligence. Cambridge, Mass.: Cambridge University Press.

Citación estilo Chicago

Regis, Edward 1944-. Extraterrestrials: Science and Alien Intelligence. Cambridge, Mass.: Cambridge University Press, 1985.

Cita MLA

Regis, Edward 1944-. Extraterrestrials: Science and Alien Intelligence. Cambridge, Mass.: Cambridge University Press, 1985.