Citazione Stile APA (7a Edizione)

Smith, T. M. (2012). Elements of ecology (8th ed.). Benjamin Cummings.

Citazione stile Chigago Style (17a edizione)

Smith, Thomas M. Elements of Ecology. 8th ed. Boston: Benjamin Cummings, 2012.

Citatione MLA (9a ed.)

Smith, Thomas M. Elements of Ecology. 8th ed. Benjamin Cummings, 2012.