Cita APA (7th ed.)
Bloesch, D. G. (1980). The struggle of prayer. Harper & Row.
Cita Chicago (17th ed.)
Bloesch, Donald G. The Struggle of Prayer. San Francisco: Harper & Row, 1980.
Cita MLA (9th ed.)
Bloesch, Donald G. The Struggle of Prayer. Harper & Row, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.