Cita APA (7th ed.)

Wheeler, J. H., Kostbade, J. T., & Thoman, R. S. (1969). Regional geography of the world. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

Wheeler, Jesse H., J. Trenton Kostbade, i Richard S. Thoman. Regional Geography of the World. New York: Holt, Rinehart and Winston, 1969.

Cita MLA (9th ed.)

Wheeler, Jesse H., et al. Regional Geography of the World. Holt, Rinehart and Winston, 1969.