APA   Click to copy
Chao, A., Colwell, R. K., Lin, C.-W., & Gotelli, N. J. (2009). Sufficient sampling for asymptotic minimum species richness estimators. Ecology, 90, 1125–1133.

Chicago/Turabian   Click to copy
Chao, Anne, Robert K Colwell, Chih-Wei Lin, and Nicholas J Gotelli. “Sufficient Sampling for Asymptotic Minimum Species Richness Estimators.” Ecology 90 (2009): 1125–1133.

MLA   Click to copy
Chao, Anne, et al. “Sufficient Sampling for Asymptotic Minimum Species Richness Estimators.” Ecology, vol. 90, Ecological Society of America, 2009, pp. 1125–33.

@article{chao2009a,
  title = {Sufficient sampling for asymptotic minimum species richness estimators},
  year = {2009},
  journal = {Ecology},
  pages = {1125--1133},
  publisher = {Ecological Society of America},
  volume = {90},
  author = {Chao, Anne and Colwell, Robert K and Lin, Chih-Wei and Gotelli, Nicholas J}
}