Cita APA (7th ed.)

Walker, J. (1983). Portraits: 5,000 years. Harry N. Abrams, Inc.

Cita Chicago (17th ed.)

Walker, John. Portraits: 5,000 Years. New York: Harry N. Abrams, Inc, 1983.

Cita MLA (9th ed.)

Walker, John. Portraits: 5,000 Years. Harry N. Abrams, Inc, 1983.