APA (7th ed.) Citation

Levy, D. H., & Wallach-Levy, W. (2001). Cosmic discoveries: The wonders of astronomy. Prometheus Books.

Chicago Style (17th ed.) Citation

Levy, David H., and Wendee Wallach-Levy. Cosmic Discoveries: The Wonders of Astronomy. Amherst, N.Y.: Prometheus Books, 2001.

MLA (9th ed.) Citation

Levy, David H., and Wendee Wallach-Levy. Cosmic Discoveries: The Wonders of Astronomy. Prometheus Books, 2001.