APA Style
SMITH, ROBERT LEO. (1990).
Ecology and field biology (4th).
New York:
HARPER COLLINS.
Chicago Style
SMITH, ROBERT LEO.
Ecology and field biology.
4th
New York:
HARPER COLLINS,
1990.
TXB.
MLA Style
SMITH, ROBERT LEO.
Ecology and field biology.
4th
New York:
HARPER COLLINS,
1990.
TXB.
Turabian Style
SMITH, ROBERT LEO.
Ecology and field biology.
4th
New York:
HARPER COLLINS,
1990.
TXB.