APA (7th ed.) Citation

Bacon, R., & Bridges, J. H. (1897). The "Opus Majus" of Roger Bacon. At the Clarendon Press.

Chicago Style (17th ed.) Citation

Bacon, Roger, and John Henry Bridges. The "Opus Majus" of Roger Bacon. Oxford: At the Clarendon Press, 1897.

MLA (9th ed.) Citation

Bacon, Roger, and John Henry Bridges. The "Opus Majus" of Roger Bacon. At the Clarendon Press, 1897.