APA (7th ed.) Citation

Smith, T., & Smith, R. L. (2012). Elements of ecology (Eight edition.). Pearson Education South Asia Pte Ltd.

Chicago Style (17th ed.) Citation

Smith, T.M., and Robert Leo Smith. Elements of Ecology. Eight edition. Jurong, Singapore: Pearson Education South Asia Pte Ltd, 2012.

MLA (9th ed.) Citation

Smith, T.M., and Robert Leo Smith. Elements of Ecology. Eight edition. Pearson Education South Asia Pte Ltd, 2012.