Cita APA (7a ed.)

Carr, E. H. (1987). What is history? (2nd ed.). Knopf ; Penguin Books.

Cita Chicago Style (17a ed.)

Carr, Edward Hallett. What Is History? 2nd ed. New York ; Harmondsworth, Middlesex: Knopf ; Penguin Books, 1987.

Cita MLA (8a ed.)

Carr, Edward Hallett. What Is History? 2nd ed. Knopf ; Penguin Books, 1987.