Committee of Vigilance of San Francisco -- : this is to certify that -- is a member --
MLA
Nahl, Charles Christian, 1818-1878. Committee of Vigilance of San Francisco -- : this is to certify that -- is a member --. [approximately 1856]. https://collections.library.yale.edu/catalog/2016445.
APA, 6th edition
Nahl, Charles Christian, 1818-1878. ([approximately 1856])[Committee of Vigilance of San Francisco -- : this is to certify that -- is a member --]. https://collections.library.yale.edu/catalog/2016445.