APA Style
Smith, Robert Leo. (1990).
Ecology and Field Biology, FOURTH EDITION (4).
New York:
HarperCollins Publishers, Inc..
Chicago Style
Smith, Robert Leo.
Ecology and Field Biology, FOURTH EDITION.
4
New York:
HarperCollins Publishers, Inc.,
1990.
Text.
MLA Style
Smith, Robert Leo.
Ecology and Field Biology, FOURTH EDITION.
4
New York:
HarperCollins Publishers, Inc.,
1990.
Text.
Turabian Style
Smith, Robert Leo.
Ecology and Field Biology, FOURTH EDITION.
4
New York:
HarperCollins Publishers, Inc.,
1990.
Print.