Hofstadter, R. (1970). Los historiadores progresistas: Turner, Beard, Parrington. Paidós.
Chicago Style (17th ed.) CitationHofstadter, Richard. Los Historiadores Progresistas: Turner, Beard, Parrington. Buenos Aires: Paidós, 1970.
MLA (8th ed.) CitationHofstadter, Richard. Los Historiadores Progresistas: Turner, Beard, Parrington. Paidós, 1970.
Warning: These citations may not always be 100% accurate.