APA (7th ed.) Citation

Tillich, P., & Thomas, T. (1990). The encounter of religions and quasi-religions. E. Mellen Press.

Chicago Style (17th ed.) Citation

Tillich, Paul, and Terence Thomas. The Encounter of Religions and Quasi-religions. Lewiston: E. Mellen Press, 1990.

MLA (9th ed.) Citation

Tillich, Paul, and Terence Thomas. The Encounter of Religions and Quasi-religions. E. Mellen Press, 1990.