Cita APA (7a ed.)

Oliver, R. S. (1979). The sketch. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Oliver, Robert S. The Sketch. New York: Van Nostrand Reinhold, 1979.

Cita MLA (9a ed.)

Oliver, Robert S. The Sketch. Van Nostrand Reinhold, 1979.