APA (7th ed.) Citation

Schaaf, F. (2007). The 50 best sights in astronomy and how to see them: Observing eclipses, bright comets, meteor showers, and other celestial wonders. John Wiley.

Chicago Style (17th ed.) Citation

Schaaf, Fred. The 50 Best Sights in Astronomy and How to See Them: Observing Eclipses, Bright Comets, Meteor Showers, and Other Celestial Wonders. Hoboken, NJ: John Wiley, 2007.

MLA (9th ed.) Citation

Schaaf, Fred. The 50 Best Sights in Astronomy and How to See Them: Observing Eclipses, Bright Comets, Meteor Showers, and Other Celestial Wonders. John Wiley, 2007.

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