APA (7th ed.) Citation

Gutsch, W. A. (1998). 1001 things everyone should know about the universe. Doubleday.

Chicago Style (17th ed.) Citation

Gutsch, William A. 1001 Things Everyone Should Know About the Universe. New York: Doubleday, 1998.

MLA (8th ed.) Citation

Gutsch, William A. 1001 Things Everyone Should Know About the Universe. Doubleday, 1998.

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