APA   Click to copy
Colwell, R. K. (1974). Predictability, constancy, and contingency of periodic phenomena. Ecology, 55, 1148–1153.

Chicago/Turabian   Click to copy
Colwell, Robert K. “Predictability, Constancy, and Contingency of Periodic Phenomena.” Ecology 55 (1974): 1148–1153.

MLA   Click to copy
Colwell, Robert K. “Predictability, Constancy, and Contingency of Periodic Phenomena.” Ecology, vol. 55, Ecological Society of America, 1974, pp. 1148–53.

@article{colwell1974a,
  title = {Predictability, constancy, and contingency of periodic phenomena},
  year = {1974},
  journal = {Ecology},
  pages = {1148--1153},
  publisher = {Ecological Society of America},
  volume = {55},
  author = {Colwell, Robert K}
}