APA (7th ed.) Citation

Andrieu, M., & Durand, G. (1940). Le Pontifical romain au Moyen-Age. Biblioteca Apostolica Vaticana.

Chicago Style (17th ed.) Citation

Andrieu, Michel, and Guillaume Durand. Le Pontifical Romain Au Moyen-Age. Città del Vaticano: Biblioteca Apostolica Vaticana, 1940.

MLA (9th ed.) Citation

Andrieu, Michel, and Guillaume Durand. Le Pontifical Romain Au Moyen-Age. Biblioteca Apostolica Vaticana, 1940.

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