Cita APA (7th ed.)
Carr, E. H. (1961). What is history? ([1st American ed.].). Knopf.
Cita Chicago (17th ed.)
Carr, Edward Hallett. What Is History? [1st American ed.]. New York: Knopf, 1961.
Cita MLA (9th ed.)
Carr, Edward Hallett. What Is History? [1st American ed.]. Knopf, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.