APA (7th ed.) Citation

Zamonski, S. W., & Keller, T. (1961). The Fifty-niners: A Denver diary. Sage Books.

Chicago Style (17th ed.) Citation

Zamonski, Stanley W., and Teddy Keller. The Fifty-niners: A Denver Diary. Denver: Sage Books, 1961.

MLA (9th ed.) Citation

Zamonski, Stanley W., and Teddy Keller. The Fifty-niners: A Denver Diary. Sage Books, 1961.

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