APA Style
PEARCE, D, W., TURNER, R, K. (1990).
Economics Of Natural Resources And The Environment .
New York:
Harvester Wheatsheaf.
MLA Style
PEARCE, DAVID, W.., TURNER, R., KERRY.
"Economics Of Natural Resources And The Environment".
New York:
Harvester Wheatsheaf,
1990.
Text.