APA (7th ed.) Citation

Kaler, J. B. (1994). Astronomy! / James B. Kaler. HarperCollins College Publishers.

Chicago Style (17th ed.) Citation

Kaler, James B. Astronomy! / James B. Kaler. New York: HarperCollins College Publishers, 1994.

MLA (9th ed.) Citation

Kaler, James B. Astronomy! / James B. Kaler. HarperCollins College Publishers, 1994.

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