Cita APA

Austin, D., & Austin, D. (1979). Chemical engineering drawing symbols. New York, New York: Willey.

Citación estilo Chicago

Austin, D.G., y D.G Austin. Chemical Engineering Drawing Symbols. New York, New York: Willey, 1979.

Cita MLA

Austin, D.G., y D.G Austin. Chemical Engineering Drawing Symbols. New York, New York: Willey, 1979.