APA
Erdman C. R., . (1917). The Gospel of John: an exposition. Philadelphia: The Westminister Press.
Chicago
Erdman Charles R, . 1917. The Gospel of John: an exposition. Philadelphia: The Westminister Press.
Harvard
Erdman C. R., . (1917). The Gospel of John: an exposition. Philadelphia: The Westminister Press.
MLA
Erdman Charles R, . The Gospel of John: an exposition. Philadelphia: The Westminister Press. 1917.