APA (7th ed.) Citation

Humphreys, C. (1955). Buddhism (Rev. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Humphreys, Christmas. Buddhism. Rev. ed. Harmondsworth, Middlesex: Penguin Books, 1955.

MLA (9th ed.) Citation

Humphreys, Christmas. Buddhism. Rev. ed. Penguin Books, 1955.