ISRAEL,Saul, Roemer, N. H., & Durand, L. (1966). World geography today. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)ISRAEL,Saul, Norman H. Roemer, y Loyal Durand. World Geography Today. New York: Holt, Rinehart and Winston, 1966.
Cita MLA (9a ed.)ISRAEL,Saul, et al. World Geography Today. Holt, Rinehart and Winston, 1966.
Precaución: Estas citas no son 100% exactas.