Harper, W. A. (1921). The church in the present crisis. Fleming H. Revell.
Cita Chicago (17th ed.)Harper, William Allen. The Church in the Present Crisis. Fleming H. Revell, 1921.
Cita MLA (9th ed.)Harper, William Allen. The Church in the Present Crisis. Fleming H. Revell, 1921.
Atenció: Aquestes cites poden no estar 100% correctes.