APA (7th ed.) Citation

Moulton, F. R. (1970). An Introduction to celestial mechanics (2nd ed.). Dover Publications.

Chicago Style (17th ed.) Citation

Moulton, Forest Ray. An Introduction to Celestial Mechanics. 2nd ed. New York: Dover Publications, 1970.

MLA (9th ed.) Citation

Moulton, Forest Ray. An Introduction to Celestial Mechanics. 2nd ed. Dover Publications, 1970.