Cita APA

COWAN, H. J., & SMITH, P. R. (1983). Environmental systems. Van Nostrand Reinhold.

Citación estilo Chicago

COWAN, Henry J., and Peter R. SMITH. Environmental Systems. New York: Van Nostrand Reinhold, 1983.

Cita MLA

COWAN, Henry J., and Peter R. SMITH. Environmental Systems. Van Nostrand Reinhold, 1983.