How kola
MLA
Schreyvogel, Charles, 1861-1912, artist. How kola. [1906?]. https://collections.library.yale.edu/catalog/2016160.
APA, 6th edition
Schreyvogel, Charles, 1861-1912, artist. ([1906?])[How kola]. https://collections.library.yale.edu/catalog/2016160.