Hofstadter, R. (1968). The progressive historians: Turner, Beard, Parrington. Knopf.
Chicago Edition CitationHofstadter, Richard. The Progressive Historians: Turner, Beard, Parrington. New York: Knopf, 1968.
MLA Edition CitationHofstadter, Richard. The Progressive Historians: Turner, Beard, Parrington. Knopf, 1968.
Warning: These citations may not always be 100% accurate.