APA Citation

Hester, J. (2007). 21sr Century Astronomy. New York:W.W. Norton and Company.

Chicago Style Citation

Hester, Jeff. 21sr Century Astronomy. New York:W.W. Norton and Company, 2007.

MLA Citation

Hester, Jeff. 21sr Century Astronomy. New York:W.W. Norton and Company, 2007.

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