APA-Zitierstil (7. Ausg.)

Heine, R. E. (2019). Origen: An introduction to his life and thought. Cascade Books.

Chicago-Zitierstil (17. Ausg.)

Heine, Ronald E. Origen: An Introduction to His Life and Thought. Eugene, Oregon: Cascade Books, 2019.

MLA-Zitierstil (9. Ausg.)

Heine, Ronald E. Origen: An Introduction to His Life and Thought. Cascade Books, 2019.