Cita APA (7a ed.)

(1930). Second pan american highway congress. Government Printing Office.

Cita Chicago Style (17a ed.)

Second Pan American Highway Congress. Washington, D.C: Government Printing Office, 1930.

Cita MLA (8a ed.)

Second Pan American Highway Congress. Government Printing Office, 1930.

Precaución: Estas citas no son 100% exactas.