APA (7th ed.) Citation

Robertson, A. W., & Robertson, A. W. 1. (1991). The service-books of the Royal Abbey of Saint-Denis: Images of ritual and music in the Middle Ages. Clarendon Press.

Chicago Style (17th ed.) Citation

Robertson, Anne Walters, and Anne Walters 19XX- Robertson. The Service-books of the Royal Abbey of Saint-Denis: Images of Ritual and Music in the Middle Ages. Oxford: Clarendon Press, 1991.

MLA (9th ed.) Citation

Robertson, Anne Walters, and Anne Walters 19XX- Robertson. The Service-books of the Royal Abbey of Saint-Denis: Images of Ritual and Music in the Middle Ages. Clarendon Press, 1991.

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