APA (7th ed.) Citation

Gregorio IX , P., Bernardus Parmensis, Martínez, G., & Cervantes, J. d. (1343). [Decretales Gregorii Papae IX].

Chicago Style (17th ed.) Citation

Gregorio IX , Papa, Bernardus Parmensis, García Martínez, and Juan de Cervantes. [Decretales Gregorii Papae IX]. S. XIV (1343 enero 21, 1343.

MLA (9th ed.) Citation

Gregorio IX , Papa, et al. [Decretales Gregorii Papae IX]. 1343.

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