Cita APA (7a ed.)

Heick, O. W. (1966). A history of Christian thought. Fortress Press.

Cita Chicago Style (17a ed.)

Heick, Otto William. A History of Christian Thought. Philadelphia: Fortress Press, 1966.

Cita MLA (9a ed.)

Heick, Otto William. A History of Christian Thought. Fortress Press, 1966.