APA (7th ed.) Citation

Messahala, Zahel, & Johannes Hispalensis, . t. (1489). In nomine Domini Incipit Epistola Messehallah.

Chicago Style (17th ed.) Citation

Messahala, Zahel, and trad Johannes Hispalensis. In Nomine Domini Incipit Epistola Messehallah. 1489.

MLA (9th ed.) Citation

Messahala, et al. In Nomine Domini Incipit Epistola Messehallah. 1489.