APA
Israel S., Roemer N. H. j. a. & Durand L. (1966). World geography today. New York: Holt, Rinehart and Wiston.
Chicago
Israel Saul, Roemer Norma H joint author and Durand Loyal. 1966. World geography today. New York: Holt, Rinehart and Wiston.
Harvard
Israel S., Roemer N. H. j. a. and Durand L. (1966). World geography today. New York: Holt, Rinehart and Wiston.
MLA
Israel Saul, Roemer Norma H joint author and Durand Loyal. World geography today. New York: Holt, Rinehart and Wiston. 1966.