APA (7th ed.) Citation

Johannes de Sacrobosco. (1577). Sphaera emendata.

Chicago Style (17th ed.) Citation

Johannes de Sacrobosco. Sphaera Emendata. Paris, 1577.

MLA (9th ed.) Citation

Johannes de Sacrobosco. Sphaera Emendata. 1577.

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