APA (7th ed.) Citation

H.M. Gousha Company & Continental Oil Company. (1940). Conoco official road map of Texas. The Company.

Chicago Style (17th ed.) Citation

H.M. Gousha Company and Continental Oil Company. Conoco Official Road Map of Texas. Chicago, Ill.: The Company, 1940.

MLA (9th ed.) Citation

H.M. Gousha Company and Continental Oil Company. Conoco Official Road Map of Texas. The Company, 1940.