APA (7th ed.) Citation

Pierre, d. V., Guébin, P. 1., & Pierre des Vaux-de-Cernay. (1926). Petri Vallium Sarnaii Monachi Hystoria Albigensis. Champion.

Chicago Style (17th ed.) Citation

Pierre, des Vaux-de-Cernay, Pascal 18XX-1945 Guébin, and Pierre des Vaux-de-Cernay. Petri Vallium Sarnaii Monachi Hystoria Albigensis. Paris: Champion, 1926.

MLA (9th ed.) Citation

Pierre, des Vaux-de-Cernay, et al. Petri Vallium Sarnaii Monachi Hystoria Albigensis. Champion, 1926.

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