APA (7th ed.) Citation

Levy, D. H. (2005). Deep sky objects: The best and brightest from four decades of comet chasing. Prometheus Books.

Chicago Style (17th ed.) Citation

Levy, David H. Deep Sky Objects: The Best and Brightest from Four Decades of Comet Chasing. Amherst, N.Y.: Prometheus Books, 2005.

MLA (9th ed.) Citation

Levy, David H. Deep Sky Objects: The Best and Brightest from Four Decades of Comet Chasing. Prometheus Books, 2005.