The Pan American Highway system ;
a compilation of official data on the present status of the Pan American Highway system in the Latin American republics

APA Citation

Organization of American States. (19691973). The Pan American Highway system: a compilation of official data on the present status of the Pan American Highway system in the Latin American republics. [Rev. ed.] Washington: The Organization.

MLA Citation

Organization of American States. The Pan American Highway System: a Compilation of Official Data On the Present Status of the Pan American Highway System In the Latin American Republics. [Rev. ed.] Washington: The Organization, 19691973.