APA (7th ed.) Citation

Callahan, G. N. (2006). Infection: The uninvited universe (First edition.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Callahan, Gerald N. Infection: The Uninvited Universe. First edition. New York: St. Martin's Press, 2006.

MLA (9th ed.) Citation

Callahan, Gerald N. Infection: The Uninvited Universe. First edition. St. Martin's Press, 2006.