Cita APA (7th ed.)

Paxson, F. L. (1924). History of the American frontier, 1763 - 1893: Frederic Logan Paxson. Houghton Mifflin [u.a.].

Cita Chicago (17th ed.)

Paxson, Frederic L. History of the American Frontier, 1763 - 1893: Frederic Logan Paxson. Boston [u.a.]: Houghton Mifflin [u.a.], 1924.

Cita MLA (8th ed.)

Paxson, Frederic L. History of the American Frontier, 1763 - 1893: Frederic Logan Paxson. Houghton Mifflin [u.a.], 1924.