Cita APA (7th ed.)
Beacham, C. G. (1928). New frontiers in the Central Sudan. Evangelical Publishers.
Cita Chicago (17th ed.)
Beacham, C. G. New Frontiers in the Central Sudan. Toronto: Evangelical Publishers, 1928.
Cita MLA (9th ed.)
Beacham, C. G. New Frontiers in the Central Sudan. Evangelical Publishers, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.