APA (7th ed.) Citation
Helm, P. (1987). Objective knowledge: A christian perspective. Inter-varsity press.
Chicago Style (17th ed.) Citation
Helm, Paul. Objective Knowledge: A Christian Perspective. Leicester: Inter-varsity press, 1987.
MLA (9th ed.) Citation
Helm, Paul. Objective Knowledge: A Christian Perspective. Inter-varsity press, 1987.
Warning: These citations may not always be 100% accurate.