APA (7th ed.) Citation

Keck, L. E. (1988). Paul and his letters (2nd.ed.). Fortress.

Chicago Style (17th ed.) Citation

Keck, Leander E. Paul and His Letters. 2nd.ed. Philadelphia: Fortress, 1988.

MLA (9th ed.) Citation

Keck, Leander E. Paul and His Letters. 2nd.ed. Fortress, 1988.