APA   Click to copy
Chazdon, R. L., Colwell, R. K., & Denslow, J. S. (1999). Tropical tree richness and resource-based niches. Science, 285, 1459–1459.

Chicago/Turabian   Click to copy
Chazdon, Robin L, Robert K Colwell, and Julie S Denslow. “Tropical Tree Richness and Resource-Based Niches.” Science 285 (1999): 1459–1459.

MLA   Click to copy
Chazdon, Robin L., et al. “Tropical Tree Richness and Resource-Based Niches.” Science, vol. 285, American Association for the Advancement of Science, 1999, pp. 1459–59.

@article{chazdon1999a,
  title = {Tropical tree richness and resource-based niches},
  year = {1999},
  journal = {Science},
  pages = {1459--1459},
  publisher = {American Association for the Advancement of Science},
  volume = {285},
  author = {Chazdon, Robin L and Colwell, Robert K and Denslow, Julie S}
}