APA (7th ed.) Citation

Carr, E. H. (1961). What is history? ([1st American ed.].). Knopf.

Chicago Style (17th ed.) Citation

Carr, Edward Hallett. What Is History? [1st American ed.]. New York: Knopf, 1961.

MLA (9th ed.) Citation

Carr, Edward Hallett. What Is History? [1st American ed.]. Knopf, 1961.