Style de citation APA (7e éd.)

Barber, W. J. (1967). A History of economic thought. Penguin books.

Style de citation Chicago (17e éd.)

Barber, William J. A History of Economic Thought. England: Penguin books, 1967.

Style de citation MLA (9e éd.)

Barber, William J. A History of Economic Thought. Penguin books, 1967.