APA (7th ed.) Citation

Angelo. (1991). The extraterrestrial encyclopedia: Our search for life in outer space (Rev. and updated.). Facts On File.

Chicago Style (17th ed.) Citation

Angelo. The Extraterrestrial Encyclopedia: Our Search for Life in Outer Space. Rev. and updated. New York: Facts On File, 1991.

MLA (9th ed.) Citation

Angelo. The Extraterrestrial Encyclopedia: Our Search for Life in Outer Space. Rev. and updated. Facts On File, 1991.