Cita APA

Doubleday,Nelson, & Cooley,C Earl. (1961). Encyclopaedia of world travel. Doubleday and Company Inc.

Citación estilo Chicago

Doubleday,Nelson, y Cooley,C Earl. Encyclopaedia of World Travel. New York: Doubleday and Company Inc, 1961.

Cita MLA

Doubleday,Nelson, y Cooley,C Earl. Encyclopaedia of World Travel. Doubleday and Company Inc, 1961.

Precaución: Estas citas no son 100% exactas.