Cita APA (7th ed.)

Weisner, S. G., & Hartford, W. F. (2002). American portraits: Biographies in united states history (2nd ed.). McGraw - Hill.

Cita Chicago (17th ed.)

Weisner, Stephen G., i William F. Hartford. American Portraits: Biographies in United States History. 2nd ed. Boston: McGraw - Hill, 2002.

Cita MLA (9th ed.)

Weisner, Stephen G., i William F. Hartford. American Portraits: Biographies in United States History. 2nd ed. McGraw - Hill, 2002.