Style de citation APA (7e éd.)

Pohl, F. (1985). Beyond the blue event horizon (5. print.). Ballantine Books.

Style de citation Chicago (17e éd.)

Pohl, Frederik. Beyond the Blue Event Horizon. 5. print. New York: Ballantine Books, 1985.

Style de citation MLA (9e éd.)

Pohl, Frederik. Beyond the Blue Event Horizon. 5. print. Ballantine Books, 1985.