Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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