Cita APA (7th ed.)
Best, Y. K. (1975). African challenge. Transafrica.
Cita Chicago (17th ed.)
Best, Y. Kenneth. African Challenge. Nairobi: Transafrica, 1975.
Cita MLA (9th ed.)
Best, Y. Kenneth. African Challenge. Transafrica, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.