APA (7th ed.) Citation

Bacon, R. (1964). The 'opus majus of Roger Bacon. The 'opus majus of Roger Bacon.

Chicago Style (17th ed.) Citation

Bacon, Roger. "The 'Opus Majus of Roger Bacon." The 'Opus Majus of Roger Bacon 1964.

MLA (8th ed.) Citation

Bacon, Roger. "The 'Opus Majus of Roger Bacon." The 'Opus Majus of Roger Bacon, 1964.

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