APA (7th ed.) Citation

Clavius, C., & Knobloch, E. (1999). In Sphaeram Ioannis de Sacro Bosco commentarius. Olms-Weidmann.

Chicago Style (17th ed.) Citation

Clavius, Christoph, and Eberhard Knobloch. In Sphaeram Ioannis De Sacro Bosco Commentarius. Hildesheim ; Zürich ; New York: Olms-Weidmann, 1999.

MLA (9th ed.) Citation

Clavius, Christoph, and Eberhard Knobloch. In Sphaeram Ioannis De Sacro Bosco Commentarius. Olms-Weidmann, 1999.