Franklin

MLA

Vogel, Cyrille, et al. Medieval Liturgy : an Introduction to the Sources. .

APA

Vogel, C., Storey, W. G., Rasmussen, N., & Brooks-Leonard, J. K. Medieval liturgy : an introduction to the sources. .

Chicago

Vogel, Cyrille., William G. Storey, Niels Rasmussen, and John K Brooks-Leonard. Medieval Liturgy: An Introduction to the Sources.