APA (7th ed.) Citation

Lee, S. (1975). The struggle between Cistercian and Cathar, 1145-1220 A. D. and its possible influence on Holy Grail literature.

Chicago Style (17th ed.) Citation

Lee, Sonia. The Struggle Between Cistercian and Cathar, 1145-1220 A. D. and Its Possible Influence on Holy Grail Literature. 1975.

MLA (9th ed.) Citation

Lee, Sonia. The Struggle Between Cistercian and Cathar, 1145-1220 A. D. and Its Possible Influence on Holy Grail Literature. 1975.

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