APA استشهاد

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

استشهاد بنمط شيكاغو

Carr, E.H. What Is History ? 2nd ed. England: Penguin Books, 1987.

MLA استشهاد

Carr, E.H. What Is History ? 2nd ed. Penguin Books, 1987.