APA (7th ed.) Citation

Roberto Grosseteste ca., Dales, R. C., & Gieben, S. (1982). Hexaëmeron. The British Academy.

Chicago Style (17th ed.) Citation

Roberto Grosseteste ca., Richard C. Dales, and Servus Gieben. Hexaëmeron. London: The British Academy, 1982.

MLA (9th ed.) Citation

Roberto Grosseteste ca., et al. Hexaëmeron. The British Academy, 1982.