Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Bacon, Roger, y John Henry Bridges. The Opus Majus of Roger Bacon. Oxford: at the Clarendon Press, 1897.

Cita MLA (9a ed.)

Bacon, Roger, y John Henry Bridges. The Opus Majus of Roger Bacon. at the Clarendon Press, 1897.