Smith, R. L., & Smith, T. M. (2001). Ecología (4a. ed.). Addison Wesley.
Chicago Style (17th ed.) CitationSmith, Robert Leo, and Thomas M. Smith. Ecología. 4a. ed. Madrid: Addison Wesley, 2001.
MLA (9th ed.) CitationSmith, Robert Leo, and Thomas M. Smith. Ecología. 4a. ed. Addison Wesley, 2001.
Warning: These citations may not always be 100% accurate.