APA
Colwell, R. K., & Winkler, D. W. (1984). A null model for null models in biogeography. In J. Strong D. R., D. Simberloff, L. G. Abele, & A. B. Thistle (Eds.), Ecological communities: Conceptual issues and the evidence (pp. 344–359). Princeton University Press.
Chicago/Turabian
Colwell, R. K., and D. W. Winkler. “A Null Model for Null Models in Biogeography.” In Ecological Communities: Conceptual Issues and the Evidence, edited by Jr. Strong D. R., D. Simberloff, L. G. Abele, and A. B. Thistle, 344–359. Princeton University Press, 1984.
MLA
Colwell, R. K., and D. W. Winkler. “A Null Model for Null Models in Biogeography.” Ecological Communities: Conceptual Issues and the Evidence, edited by Jr. Strong D. R. et al., Princeton University Press, 1984, pp. 344–59.