APA-Zitierstil (7. Ausg.)

Lewis, C. S. (1981). The pilgrim's regress: An allegor. apology for Christianity, reason and romanticism. Bantam Books.

Chicago-Zitierstil (17. Ausg.)

Lewis, C. S. The Pilgrim's Regress: An Allegor. Apology for Christianity, Reason and Romanticism. Toronto u.a: Bantam Books, 1981.

MLA-Zitierstil (9. Ausg.)

Lewis, C. S. The Pilgrim's Regress: An Allegor. Apology for Christianity, Reason and Romanticism. Bantam Books, 1981.