APA (7th ed.) Citation

Sen, K. M. (1962). Hinduism: The world's oldest faith. Penguin Books.

Chicago Style (17th ed.) Citation

Sen, K. M. Hinduism: The World's Oldest Faith. Baltimore: Penguin Books, 1962.

MLA (9th ed.) Citation

Sen, K. M. Hinduism: The World's Oldest Faith. Penguin Books, 1962.