APA (7th ed.) Citation

William, C. P. (2003). Essentials of Christian theology. Westminster John Knox Press.

Chicago Style (17th ed.) Citation

William, C. Placher. Essentials of Christian Theology. Westminster John Knox Press, 2003.

MLA (8th ed.) Citation

William, C. Placher. Essentials of Christian Theology. Westminster John Knox Press, 2003.

Warning: These citations may not always be 100% accurate.