APA (7th ed.) Citation

Bliss, K. (1972). The future of religion. Penguin Books.

Chicago Style (17th ed.) Citation

Bliss, Kathleen. The Future of Religion. [Harmondsworth, England]: Penguin Books, 1972.

MLA (9th ed.) Citation

Bliss, Kathleen. The Future of Religion. Penguin Books, 1972.