APA Edition Citation

Heidmann, J. (1997). Extraterrestrial intelligence (2nd ed.). Cambridge University Press.

Chicago Edition Citation

Heidmann, Jean. Extraterrestrial Intelligence. 2nd ed. Cambridge ; New York: Cambridge University Press, 1997.

MLA Edition Citation

Heidmann, Jean. Extraterrestrial Intelligence. 2nd ed. Cambridge University Press, 1997.