APA (7th ed.) Citation

Brouwer, D., & Clemence, G. M. (1961). Methods of celestial mechanics. Academic Press.

Chicago Style (17th ed.) Citation

Brouwer, Dirk, and Gerald M. Clemence. Methods of Celestial Mechanics. New York: Academic Press, 1961.

MLA (9th ed.) Citation

Brouwer, Dirk, and Gerald M. Clemence. Methods of Celestial Mechanics. Academic Press, 1961.