APA (7th ed.) Citation

Ebrardus Bethuniensis, Bene Florentinus, & Crispis, P. d. (1458). [Tractatus grammaticae].

Chicago Style (17th ed.) Citation

Ebrardus Bethuniensis, Bene Florentinus, and Petrus de Crispis. [Tractatus Grammaticae]. 1458.

MLA (9th ed.) Citation

Ebrardus Bethuniensis, et al. [Tractatus Grammaticae]. 1458.