APA (7th ed.) Citation

Stephenson, B. (1987). Kepler's physical astronomy. Springer-Verlag.

Chicago Style (17th ed.) Citation

Stephenson, Bruce. Kepler's Physical Astronomy. New York: Springer-Verlag, 1987.

MLA (9th ed.) Citation

Stephenson, Bruce. Kepler's Physical Astronomy. Springer-Verlag, 1987.