MLA

Schofield, Charles Brewster, 1849-1901. Times extra : the Nez Perces war, Indians in the Geyser Basin! Pleasure parties murdered! Sixteen men killed! Prisoners taken and released! : to commanding officer, Fort Ellis, Mammoth Hot Shrings [sic], National Park, August 26th, 1877 .... 1877]. https://collections.library.yale.edu/catalog/10259948.

APA, 6th edition

Schofield, Charles Brewster, 1849-1901. (1877])[Times extra : the Nez Perces war, Indians in the Geyser Basin! Pleasure parties murdered! Sixteen men killed! Prisoners taken and released! : to commanding officer, Fort Ellis, Mammoth Hot Shrings [sic], National Park, August 26th, 1877 ...]. https://collections.library.yale.edu/catalog/10259948.