MLA

Pickett, Charles E. (Charles Edward), 1820-1882. Oration delivered in the Congregational Church, Sacramento, California, July 4, 1857. 1857. https://collections.library.yale.edu/catalog/10604245.

APA, 6th edition

Pickett, Charles E. (Charles Edward), 1820-1882. (1857)[Oration delivered in the Congregational Church, Sacramento, California, July 4, 1857]. https://collections.library.yale.edu/catalog/10604245.