APA Style
Smith, Robert Leo, Smith, Thomas M.. (2009).
Elements of Ecology, Seventh Edition (7th).
San Francisco:
Perason Education, Inc..
Chicago Style
Smith, Robert Leo, Smith, Thomas M..
Elements of Ecology, Seventh Edition.
7th
San Francisco:
Perason Education, Inc.,
2009.
Text.
MLA Style
Smith, Robert Leo, Smith, Thomas M..
Elements of Ecology, Seventh Edition.
7th
San Francisco:
Perason Education, Inc.,
2009.
Text.
Turabian Style
Smith, Robert Leo, Smith, Thomas M..
Elements of Ecology, Seventh Edition.
7th
San Francisco:
Perason Education, Inc.,
2009.
Print.