APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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