Cita APA (7a ed.)

Armstrong, W. (1896). The Life of Velazquez. The Macmillan Company.

Cita Chicago Style (17a ed.)

Armstrong, Walter. The Life of Velazquez. London: The Macmillan Company, 1896.

Cita MLA (9a ed.)

Armstrong, Walter. The Life of Velazquez. The Macmillan Company, 1896.