APA (7th ed.) Citation

Alfs, M. (1984). Concepts of Father, Son, and Holy Spirit: A classification and description of the Trinitarian and non-Trinitarian theologies existent within Christendom. Old Theology Book House.

Chicago Style (17th ed.) Citation

Alfs, Matthew. Concepts of Father, Son, and Holy Spirit: A Classification and Description of the Trinitarian and Non-Trinitarian Theologies Existent Within Christendom. Minneapolis: Old Theology Book House, 1984.

MLA (9th ed.) Citation

Alfs, Matthew. Concepts of Father, Son, and Holy Spirit: A Classification and Description of the Trinitarian and Non-Trinitarian Theologies Existent Within Christendom. Old Theology Book House, 1984.

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