Citazione APA

Weisberger, B. A., & Harwood, M. (1970). The Amercian Heritage History of the Amercian People. American Heritage publishing.

Stile di citazione Chicago

Weisberger, Bernard A., e Michael Harwood. The Amercian Heritage History of the Amercian People. New York: American Heritage publishing, 1970.

Citazione MLA

Weisberger, Bernard A., e Michael Harwood. The Amercian Heritage History of the Amercian People. American Heritage publishing, 1970.