Cita APA (7a ed.)

Kilwardby, R., & Judy, A. G. (1976). De ortu scientiarum. British Academy [etc.].

Cita Chicago Style (17a ed.)

Kilwardby, Robert, y Albert G. Judy. De Ortu Scientiarum. London [etc.]: British Academy [etc.], 1976.

Cita MLA (9a ed.)

Kilwardby, Robert, y Albert G. Judy. De Ortu Scientiarum. British Academy [etc.], 1976.