APA (7th ed.) Citation

Hofstadter, R. (1968). The progressive historians: Turner, Beard, Parrington ([1st ed.].). Knopf.

Chicago Style (17th ed.) Citation

Hofstadter, Richard. The Progressive Historians: Turner, Beard, Parrington. [1st ed.]. New York: Knopf, 1968.

MLA (9th ed.) Citation

Hofstadter, Richard. The Progressive Historians: Turner, Beard, Parrington. [1st ed.]. Knopf, 1968.