APA (7th ed.) Citation

Loomis, R. S. (1963). The Grail, from Celtic myth to Christian symbol. Columbia University Press.

Chicago Style (17th ed.) Citation

Loomis, Roger Sherman. The Grail, from Celtic Myth to Christian Symbol. New York: Columbia University Press, 1963.

MLA (9th ed.) Citation

Loomis, Roger Sherman. The Grail, from Celtic Myth to Christian Symbol. Columbia University Press, 1963.