Cita APA (7th ed.)
Kirk, H. A. (1947). The soul of the African. Sudan Interior Mission.
Cita Chicago (17th ed.)
Kirk, Hector A. The Soul of the African. Toronto: Sudan Interior Mission, 1947.
Cita MLA (9th ed.)
Kirk, Hector A. The Soul of the African. Sudan Interior Mission, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.