APA Citation

Machholz, D. (2013). The observing guide to the Messier marathon: Ahandbook and atlas. Cambridge University.

Chicago Style Citation

Machholz, Don. The Observing Guide to the Messier Marathon: Ahandbook and Atlas. Cambridge University, 2013.

MLA Citation

Machholz, Don. The Observing Guide to the Messier Marathon: Ahandbook and Atlas. Cambridge University, 2013.

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