APA (7th ed.) Citation

Albertus Magnus, H., Gregori, G. d. c. 1. J., & Gregori, G. d. c. 1. J. Liber Alberti Magni De celo [et] mundo.

Chicago Style (17th ed.) Citation

Albertus Magnus, Heiliger, Giovanni de ca. 15./16. Jh Gregori, and Gregorio de ca. 15./16. Jh Gregori. Liber Alberti Magni De Celo [et] Mundo.

MLA (9th ed.) Citation

Albertus Magnus, Heiliger, et al. Liber Alberti Magni De Celo [et] Mundo.