APA način citiranja (7. izdanje)

Smith, T. M., & Smith, R. L. (2015). Elements of ecology (Ninth edition, Global edition.). PearsonEducational Limited.

Čikaški stil citiranja (17. izdanje)

Smith, Thomas M., i Robert Leo Smith. Elements of Ecology. Ninth edition, Global edition. Harlow Essex, England: PearsonEducational Limited, 2015.

MLA način citiranja (9. izdanje)

Smith, Thomas M., i Robert Leo Smith. Elements of Ecology. Ninth edition, Global edition. PearsonEducational Limited, 2015.