APA Style
Smith, Robert Leo. (1986).
ELEMENTS OF ECOLOGY, Second Edition (2nd).
New York:
Harper & Row, Publishers, Inc..
Chicago Style
Smith, Robert Leo.
ELEMENTS OF ECOLOGY, Second Edition.
2nd
New York:
Harper & Row, Publishers, Inc.,
1986.
Text.
MLA Style
Smith, Robert Leo.
ELEMENTS OF ECOLOGY, Second Edition.
2nd
New York:
Harper & Row, Publishers, Inc.,
1986.
Text.
Turabian Style
Smith, Robert Leo.
ELEMENTS OF ECOLOGY, Second Edition.
2nd
New York:
Harper & Row, Publishers, Inc.,
1986.
Print.