APA (7th ed.) Citation

Meldahl, K. H. (2007). Hard road west: History & geology along the Gold Rush trail. University of Chicago Press.

Chicago Style (17th ed.) Citation

Meldahl, Keith Heyer. Hard Road West: History & Geology Along the Gold Rush Trail. Chicago: University of Chicago Press, 2007.

MLA (9th ed.) Citation

Meldahl, Keith Heyer. Hard Road West: History & Geology Along the Gold Rush Trail. University of Chicago Press, 2007.