APA (7th ed.) Citation

Hallesby, O. (1954). Religious Or Christian? Inter-Varsity Fellowship.

Chicago Style (17th ed.) Citation

Hallesby, O. Religious Or Christian? Inter-Varsity Fellowship, 1954.

MLA (8th ed.) Citation

Hallesby, O. Religious Or Christian? Inter-Varsity Fellowship, 1954.

Warning: These citations may not always be 100% accurate.