APA   Click to copy
Mao, C. X., & Colwell, R. K. (2005). Estimation of species richness: mixture models, the role of rare species, and inferential challenges. Ecology, 86, 1143–1153.

Chicago/Turabian   Click to copy
Mao, Chang Xuan, and Robert K Colwell. “Estimation of Species Richness: Mixture Models, the Role of Rare Species, and Inferential Challenges.” Ecology 86 (2005): 1143–1153.

MLA   Click to copy
Mao, Chang Xuan, and Robert K. Colwell. “Estimation of Species Richness: Mixture Models, the Role of Rare Species, and Inferential Challenges.” Ecology, vol. 86, Ecological Society of America, 2005, pp. 1143–53.

@article{mao2005a,
  title = {Estimation of species richness: mixture models, the role of rare species, and inferential challenges},
  year = {2005},
  journal = {Ecology},
  pages = {1143--1153},
  publisher = {Ecological Society of America},
  volume = {86},
  author = {Mao, Chang Xuan and Colwell, Robert K}
}