APA (7th ed.) Citation

Bridges, J. H., & Jones, H. G. (1914). The life & work of Roger Bacon: An introduction to the Opus majus. Williams & Norgate.

Chicago Style (17th ed.) Citation

Bridges, John Henry, and Hedley Gordon Jones. The Life & Work of Roger Bacon: An Introduction to the Opus Majus. London: Williams & Norgate, 1914.

MLA (9th ed.) Citation

Bridges, John Henry, and Hedley Gordon Jones. The Life & Work of Roger Bacon: An Introduction to the Opus Majus. Williams & Norgate, 1914.