APA (7th ed.) Citation

Barker, W. P. (1969). Who's who in church history. F. H. Revell Co..

Chicago Style (17th ed.) Citation

Barker, William Pierson. Who's Who in Church History. Old Tappan, N.J.: F. H. Revell Co., 1969.

MLA (9th ed.) Citation

Barker, William Pierson. Who's Who in Church History. F. H. Revell Co., 1969.