Cita APA (7a ed.)

Rich, W. E. (1924). The History of the United States Post Office to the Year 1829. Harvard University press.

Cita Chicago Style (17a ed.)

Rich, Weslwy Everett. The History of the United States Post Office to the Year 1829. Cambridge: Harvard University press, 1924.

Cita MLA (9a ed.)

Rich, Weslwy Everett. The History of the United States Post Office to the Year 1829. Harvard University press, 1924.