Kepler, J., Aiton, E. J., Duncan, A. M., Field, J. V., Duncan, A. M., & Field, J. V. (1997). The harmony of the world. [Philadelphia, Pa.]: American Philosophical Society.
Chicago Style CitationKepler, Johannes, E. J. Aiton, Alistair Matheson Duncan, Judith Veronica Field, A. M. Duncan, and J. V. Field. The Harmony of the World. [Philadelphia, Pa.]: American Philosophical Society, 1997.
MLA CitationKepler, Johannes, et al. The Harmony of the World. [Philadelphia, Pa.]: American Philosophical Society, 1997.
Warning: These citations may not always be 100% accurate.