Cita APA (7th ed.)

Douglas, W. L., & Torre, L. A. (1986). Site perspectives. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Douglas, William Lake, i L. Azeo Torre. Site Perspectives. New York: Van Nostrand Reinhold, 1986.

Cita MLA (9th ed.)

Douglas, William Lake, i L. Azeo Torre. Site Perspectives. Van Nostrand Reinhold, 1986.