APA (7th ed.) Citation

Greeley, H. (1999). An overland journey from New York to San Francisco in the summer of 1859. University of Nebraska Press.

Chicago Style (17th ed.) Citation

Greeley, Horace. An Overland Journey from New York to San Francisco in the Summer of 1859. Lincoln: University of Nebraska Press, 1999.

MLA (9th ed.) Citation

Greeley, Horace. An Overland Journey from New York to San Francisco in the Summer of 1859. University of Nebraska Press, 1999.