APA   Click to copy
Feinsinger, P., & Colwell, R. K. (1978). Community organization among neotropical nectar-feeding birds. American Zoologist, 18, 779–795.

Chicago/Turabian   Click to copy
Feinsinger, P., and R. K. Colwell. “Community Organization among Neotropical Nectar-Feeding Birds.” American Zoologist 18 (1978): 779–795.

MLA   Click to copy
Feinsinger, P., and R. K. Colwell. “Community Organization among Neotropical Nectar-Feeding Birds.” American Zoologist, vol. 18, 1978, pp. 779–95.

@article{feinsinger1978a,
  title = {Community organization among neotropical nectar-feeding birds},
  year = {1978},
  journal = {American Zoologist},
  pages = {779-795},
  volume = { 18},
  author = {Feinsinger, P. and Colwell, R. K.}
}