APA (7th ed.) Citation

Johannes de Sacrobosco, Grosseteste, R. . ., Messahala, Alberto Magno , S., Gerardus de Sabloneto, Pérez, M., & Johannes Hispalensis, . t. (1390). [Tractatus astronomiae].

Chicago Style (17th ed.) Citation

Johannes de Sacrobosco, Robert Grosseteste, Messahala, Santo Alberto Magno , Gerardus de Sabloneto, Martín Pérez, and trad Johannes Hispalensis. [Tractatus Astronomiae]. 1390.

MLA (9th ed.) Citation

Johannes de Sacrobosco, et al. [Tractatus Astronomiae]. 1390.

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