Cita APA (7th ed.)

ISRAEL,Saul, Roemer, N. H., & Durand, L. (1966). World geography today. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

ISRAEL,Saul, Norman H. Roemer, i Loyal Durand. World Geography Today. New York: Holt, Rinehart and Winston, 1966.

Cita MLA (9th ed.)

ISRAEL,Saul, et al. World Geography Today. Holt, Rinehart and Winston, 1966.