APA (7th ed.) Citation

Johannes de Sacrobosco. (1501). Sphaera mundi.

Chicago Style (17th ed.) Citation

Johannes de Sacrobosco. Sphaera Mundi. Venetia, 1501.

MLA (9th ed.) Citation

Johannes de Sacrobosco. Sphaera Mundi. 1501.

Warning: These citations may not always be 100% accurate.