APA (7th ed.) Citation

Caspar, M., Otero-Piæeiro, D., & Galad-Enrquez, D. (2003). Johannes Kepler. Acento.

Chicago Style (17th ed.) Citation

Caspar, Max, Dulcinea Otero-Piæeiro, and David Galad-Enrquez. Johannes Kepler. [Madrid]: Acento, 2003.

MLA (9th ed.) Citation

Caspar, Max, et al. Johannes Kepler. Acento, 2003.