APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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