Cita APA (7th ed.)
Paul, A. (1949). Trumpet notes in Congo. Africa Inland Mission.
Cita Chicago (17th ed.)
Paul, Austin. Trumpet Notes in Congo. Brooklyn: Africa Inland Mission, 1949.
Cita MLA (9th ed.)
Paul, Austin. Trumpet Notes in Congo. Africa Inland Mission, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.