Cita APA (7a ed.)

Martin, W. R. (1962). Essential christianity: A handbook of basic christian doctrines. Zondervan.

Cita Chicago Style (17a ed.)

Martin, Walter. R. Essential Christianity: A Handbook of Basic Christian Doctrines. Michigan: Zondervan, 1962.

Cita MLA (9a ed.)

Martin, Walter. R. Essential Christianity: A Handbook of Basic Christian Doctrines. Zondervan, 1962.