APA Citation

Hester,Jeff, & Hester, J. J. (2007). 21st century astronomy (2nd ed.). New York: W.W. Norton.

Chicago Style Citation

Hester,Jeff, and John Jeffrey Hester. 21st Century Astronomy. 2nd ed. New York: W.W. Norton, 2007.

MLA Citation

Hester,Jeff, and John Jeffrey Hester. 21st Century Astronomy. 2nd ed. New York: W.W. Norton, 2007.

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