APA (7th ed.) Citation

Thompson, K. W., & Pan American Union. (1930). The Americas: Served by American Republics Line (Moore-McCormack Lines), Grace Line, Pan American Airways System, Pan American-Grace Airways (Panagra), United Fruit Company. [publisher not identified].

Chicago Style (17th ed.) Citation

Thompson, Kenneth W., and Pan American Union. The Americas: Served by American Republics Line (Moore-McCormack Lines), Grace Line, Pan American Airways System, Pan American-Grace Airways (Panagra), United Fruit Company. [United States]: [publisher not identified], 1930.

MLA (8th ed.) Citation

Thompson, Kenneth W., and Pan American Union. The Americas: Served by American Republics Line (Moore-McCormack Lines), Grace Line, Pan American Airways System, Pan American-Grace Airways (Panagra), United Fruit Company. [publisher not identified], 1930.