Cowan, H. J., & Smith, P. R. (1983). Enviromental systems. Van Nostrand Reinhold Comp.
Chicago Style (17th ed.) CitationCowan, Henry J., and Peter R. Smith. Enviromental Systems. Van Nostrand Reinhold Comp, 1983.
MLA (8th ed.) CitationCowan, Henry J., and Peter R. Smith. Enviromental Systems. Van Nostrand Reinhold Comp, 1983.
Warning: These citations may not always be 100% accurate.