Cita APA (7a ed.)
Laubach, F. C. (1946). Prayer: The mightiest force in the world. Fleming H. Revell Company.
Cita Chicago Style (17a ed.)
Laubach, Frank Charles. Prayer: The Mightiest Force in the World. New York: Fleming H. Revell Company, 1946.
Cita MLA (9a ed.)
Laubach, Frank Charles. Prayer: The Mightiest Force in the World. Fleming H. Revell Company, 1946.
Precaución: Estas citas no son 100% exactas.