APA (7th ed.) Citation

Pugh, P. (2012). Observing the messier objects with a small telescope: In the footsteps of a great observer. Springer.

Chicago Style (17th ed.) Citation

Pugh, Philip. Observing the Messier Objects with a Small Telescope: In the Footsteps of a Great Observer. New York: Springer, 2012.

MLA (8th ed.) Citation

Pugh, Philip. Observing the Messier Objects with a Small Telescope: In the Footsteps of a Great Observer. Springer, 2012.