APA Style

Studies), C, C, 1, :, I, O, E. et al (c2003). Understanding urban ecosystems: a new frontier for science and education . nyu: Springer.

MLA Style

Studies), Cary, Conference, 1999, :, Institute, Of, Ecosystem. et al. "Understanding urban ecosystems: a new frontier for science and education". nyu: Springer, c2003. Computer File.