APA (7th ed.) Citation

Bacon, R. (1900). The Opus Majus of Roger Bacon. Williams and Norgate.

Chicago Style (17th ed.) Citation

Bacon, Roger. The Opus Majus of Roger Bacon. London ; Edinburg ; Oxford: Williams and Norgate, 1900.

MLA (9th ed.) Citation

Bacon, Roger. The Opus Majus of Roger Bacon. Williams and Norgate, 1900.

Warning: These citations may not always be 100% accurate.