Weltharmonik

MLA

Kepler, Johannes, and Max Caspar. Weltharmonik. Vienna: Oldenbourg, 1982.

APA

Kepler, J., & Caspar, M. (1982). Weltharmonik. Vienna: Oldenbourg.

Chicago

Kepler, Johannes Weltharmonik. Edited by Max Caspar. Vienna: Oldenbourg, 1982.