APA (7th ed.) Citation

Asimov, I. (1985). Asimov's Guide to Halley's comet. Dell Publishing Co., Inc..

Chicago Style (17th ed.) Citation

Asimov, Isaac. Asimov's Guide to Halley's Comet. New York: Dell Publishing Co., Inc., 1985.

MLA (9th ed.) Citation

Asimov, Isaac. Asimov's Guide to Halley's Comet. Dell Publishing Co., Inc., 1985.