Cita APA (7a ed.)

Smith, T. M. (2015). Elements of ecology (Ninth edition, Global edition.). Pearson.

Cita Chicago Style (17a ed.)

Smith, T. M. Elements of Ecology. Ninth edition, Global edition. Boston, [Massachusetts]: Pearson, 2015.

Cita MLA (8a ed.)

Smith, T. M. Elements of Ecology. Ninth edition, Global edition. Pearson, 2015.