APA (7th ed.) Citation

Wislizenus, F. A. (1912). A journey to the Rocky mountains in the year 1839. Missouri Historical Society.

Chicago Style (17th ed.) Citation

Wislizenus, F. A. A Journey to the Rocky Mountains in the Year 1839. St. Louis: Missouri Historical Society, 1912.

MLA (8th ed.) Citation

Wislizenus, F. A. A Journey to the Rocky Mountains in the Year 1839. Missouri Historical Society, 1912.

Warning: These citations may not always be 100% accurate.