Cita APA (7th ed.)

Kreeft, P. (1988). Fundamentals of the faith: Essays in Christian apologetics. Ignatius.

Cita Chicago (17th ed.)

Kreeft, Peter. Fundamentals of the Faith: Essays in Christian Apologetics. San Francisco: Ignatius, 1988.

Cita MLA (9th ed.)

Kreeft, Peter. Fundamentals of the Faith: Essays in Christian Apologetics. Ignatius, 1988.