APA (7th ed.) Citation

Seargent, D. A. J. (2009). The greatest comets in history: Broom stars and celestial scimitars. Springer.

Chicago Style (17th ed.) Citation

Seargent, David A. J. The Greatest Comets in History: Broom Stars and Celestial Scimitars. New York, NY: Springer, 2009.

MLA (8th ed.) Citation

Seargent, David A. J. The Greatest Comets in History: Broom Stars and Celestial Scimitars. Springer, 2009.