APA (7th ed.) Citation

Frémont, J. C. (2005). The Exploring Expedition to the Rocky Mountains, Oregon and California To which is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources. Project Gutenberg.

Chicago Style (17th ed.) Citation

Frémont, John Charles. The Exploring Expedition to the Rocky Mountains, Oregon and California To Which Is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Frémont, John Charles. The Exploring Expedition to the Rocky Mountains, Oregon and California To Which Is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources. Project Gutenberg, 2005.

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