APA (7th ed.) Citation

McGowan, D. (1859). Map of the United States west of the Mississippi showing the route of Pike's Peak: Overland mail route to California and Pacific railroad surveys .. Leopold Gast & bro..

Chicago Style (17th ed.) Citation

McGowan, D. Map of the United States West of the Mississippi Showing the Route of Pike's Peak: Overland Mail Route to California and Pacific Railroad Surveys .. St. Louis: Leopold Gast & bro., 1859.

MLA (9th ed.) Citation

McGowan, D. Map of the United States West of the Mississippi Showing the Route of Pike's Peak: Overland Mail Route to California and Pacific Railroad Surveys .. Leopold Gast & bro., 1859.