APA

Voelkel J. R., . (1999). Johannes Kepler and the new astronomy. New York: Oxford University Press.

Chicago

Voelkel James R, . 1999. Johannes Kepler and the new astronomy. New York: Oxford University Press.

Harvard

Voelkel J. R., . (1999). Johannes Kepler and the new astronomy. New York: Oxford University Press.

MLA

Voelkel James R, . Johannes Kepler and the new astronomy. New York: Oxford University Press. 1999.