APA (7th ed.) Citation

Crump, D. (2006). Knocking on heaven's door: A New Testament theology of petitionary prayer. Baker Academic.

Chicago Style (17th ed.) Citation

Crump, David. Knocking on Heaven's Door: A New Testament Theology of Petitionary Prayer. Grand Rapids, Mich: Baker Academic, 2006.

MLA (9th ed.) Citation

Crump, David. Knocking on Heaven's Door: A New Testament Theology of Petitionary Prayer. Baker Academic, 2006.