APA (7th ed.) Citation

Jahn, E. A. Pan American highway guide. Compsco Pub. co. [etc.].

Chicago Style (17th ed.) Citation

Jahn, Ernst A. Pan American Highway Guide. Boonton, N.J.: Compsco Pub. co. [etc.].

MLA (9th ed.) Citation

Jahn, Ernst A. Pan American Highway Guide. Compsco Pub. co. [etc.].