Cita APA (7th ed.)

Bridges, J. H. (1976). The life & work of Roger Bacon: An introduction to the Opus majus. Richwood Pub. Co..

Cita Chicago (17th ed.)

Bridges, John Henry. The Life & Work of Roger Bacon: An Introduction to the Opus Majus. Merrick, N.Y.: Richwood Pub. Co., 1976.

Cita MLA (8th ed.)

Bridges, John Henry. The Life & Work of Roger Bacon: An Introduction to the Opus Majus. Richwood Pub. Co., 1976.