APA Style
Smith, Thomas M., Smith, Robert Leo. (2015).
Elements of ecology (9th Ed.).
Harlow:
Pearson.
Chicago Style
Smith, Thomas M., Smith, Robert Leo.
Elements of ecology.
9th Ed.
Harlow:
Pearson,
2015.
Text.
MLA Style
Smith, Thomas M., Smith, Robert Leo.
Elements of ecology.
9th Ed.
Harlow:
Pearson,
2015.
Text.
Turabian Style
Smith, Thomas M., Smith, Robert Leo.
Elements of ecology.
9th Ed.
Harlow:
Pearson,
2015.
Print.