Cita APA (7a ed.)

Ryabov, Y. A., & Yankovsky, G. (1959). An elementary survey of celestial mechanics. Dover.

Cita Chicago Style (17a ed.)

Ryabov, Yu. A., y G. Yankovsky. An Elementary Survey of Celestial Mechanics. New York: Dover, 1959.

Cita MLA (9a ed.)

Ryabov, Yu. A., y G. Yankovsky. An Elementary Survey of Celestial Mechanics. Dover, 1959.