Cita APA (7th ed.)

Kimble, G. H. T., & Steel, R. (1966). Tropical Africa today. McGraw-Hill.

Cita Chicago (17th ed.)

Kimble, George Herbert Tinley, i Ronald Steel. Tropical Africa Today. St. Louis, Webster Division: McGraw-Hill, 1966.

Cita MLA (9th ed.)

Kimble, George Herbert Tinley, i Ronald Steel. Tropical Africa Today. McGraw-Hill, 1966.