Cita APA (7th ed.)

John, R. R. (1995). Spreading the news: The American postal system from Franklin to Morse. Harvard University Press.

Cita Chicago (17th ed.)

John, Richard R. Spreading the News: The American Postal System from Franklin to Morse. Cambridge, MA: Harvard University Press, 1995.

Cita MLA (9th ed.)

John, Richard R. Spreading the News: The American Postal System from Franklin to Morse. Harvard University Press, 1995.