APA (7th ed.) Citation

McKenzie, P. R., & Heiler, F. (1988). The Christians: Their practices and beliefs (U.S. ed.). Abingdon Press.

Chicago Style (17th ed.) Citation

McKenzie, P. R., and Friedrich Heiler. The Christians: Their Practices and Beliefs. U.S. ed. Nashville: Abingdon Press, 1988.

MLA (9th ed.) Citation

McKenzie, P. R., and Friedrich Heiler. The Christians: Their Practices and Beliefs. U.S. ed. Abingdon Press, 1988.