APA (7th ed.) Citation

Smith, R. L., & Smith, T. M. (2002). Elements of ecology (4th ed.). Pearson Education Asia.

Chicago Style (17th ed.) Citation

Smith, Robert Leo, and T. M. Smith. Elements of Ecology. 4th ed. Singapore: Pearson Education Asia, 2002.

MLA (9th ed.) Citation

Smith, Robert Leo, and T. M. Smith. Elements of Ecology. 4th ed. Pearson Education Asia, 2002.