APA (7th ed.) Citation

Gerardus Leodiensis & Cervantes, J. d. (1301). Opus fratris Giraldi Leodiensis De doctrina cordis.

Chicago Style (17th ed.) Citation

Gerardus Leodiensis and Juan de Cervantes. Opus Fratris Giraldi Leodiensis De Doctrina Cordis. S. XIV, 1301.

MLA (9th ed.) Citation

Gerardus Leodiensis and Juan de Cervantes. Opus Fratris Giraldi Leodiensis De Doctrina Cordis. 1301.

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