Cita APA (7th ed.)
Willetts, W. Y. (1958). Chinese Art. Penguin Books.
Cita Chicago (17th ed.)
Willetts, William Y. Chinese Art. Harmondsworth, Middlesex, U.K.: Penguin Books, 1958.
Cita MLA (9th ed.)
Willetts, William Y. Chinese Art. Penguin Books, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.