Cite

United States mail and post-office assistant.

MLA

Dept, United States. Post Office. United States Mail and Post-Office Assistant. 1866. https://collections.library.yale.edu/catalog/10267190.

APA, 6th edition

Dept, U. S. P. O. (1866). United States mail and post-office assistant. [Advertisements (AAT), announcements (AAT), illustrations (AAT), newspapers (AAT), periodicals (AAT)]. https://collections.library.yale.edu/catalog/10267190.