APA Style
Willis
, Robert. (2004).
Environmental Systems Engineering and economics .
Boston:
Cluwer Academic Publisher.
Chicago Style
Willis
, Robert.
Environmental Systems Engineering and economics.
Boston:
Cluwer Academic Publisher,
2004.
Text.
MLA Style
Willis
, Robert.
Environmental Systems Engineering and economics.
Boston:
Cluwer Academic Publisher,
2004.
Text.
Turabian Style
Willis
, Robert.
Environmental Systems Engineering and economics.
Boston:
Cluwer Academic Publisher,
2004.
Print.