APA (7th ed.) Citation

Walker, J. (1987). James Abbott McNeill Whistler. Abrams [u.a.].

Chicago Style (17th ed.) Citation

Walker, John. James Abbott McNeill Whistler. New York, NY: Abrams [u.a.], 1987.

MLA (9th ed.) Citation

Walker, John. James Abbott McNeill Whistler. Abrams [u.a.], 1987.