APA (7th ed.) Citation

Boer, R. (1999). Knockin' on heaven's door: The Bible and popular culture. Routledge.

Chicago Style (17th ed.) Citation

Boer, Roland. Knockin' on Heaven's Door: The Bible and Popular Culture. London ; New York: Routledge, 1999.

MLA (9th ed.) Citation

Boer, Roland. Knockin' on Heaven's Door: The Bible and Popular Culture. Routledge, 1999.