Cita APA (7th ed.)

Boyer, P. S. (1993). The enduring vision: A history of the American people (2nd ed.). D.C. Heath and Co..

Cita Chicago (17th ed.)

Boyer, Paul S. The Enduring Vision: A History of the American People. 2nd ed. Lexington: D.C. Heath and Co., 1993.

Cita MLA (9th ed.)

Boyer, Paul S. The Enduring Vision: A History of the American People. 2nd ed. D.C. Heath and Co., 1993.