APA (7th ed.) Citation

Engelbrektson, S. (1994). Astronomy through space and time. Wm. C. Brown Publishers.

Chicago Style (17th ed.) Citation

Engelbrektson, Sune. Astronomy Through Space and Time. Dubuque, Iowa: Wm. C. Brown Publishers, 1994.

MLA (8th ed.) Citation

Engelbrektson, Sune. Astronomy Through Space and Time. Wm. C. Brown Publishers, 1994.

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