APA (7th ed.) Citation

Harrison, A. A. (1997). After contact: The human response to extraterrestrial life. Plenum Trade.

Chicago Style (17th ed.) Citation

Harrison, Albert A. After Contact: The Human Response to Extraterrestrial Life. New York: Plenum Trade, 1997.

MLA (9th ed.) Citation

Harrison, Albert A. After Contact: The Human Response to Extraterrestrial Life. Plenum Trade, 1997.

Warning: These citations may not always be 100% accurate.