APA   Click to copy
Germain, R. R., Reudink, M., Marra, P., & Ratcliffe, L. (2010). Carotenoid-based Male Plumage Predicts Parental Investment in the American Redstart.

Chicago/Turabian   Click to copy
Germain, Ryan R., M. Reudink, P. Marra, and L. Ratcliffe. “Carotenoid-Based Male Plumage Predicts Parental Investment in the American Redstart” (2010).

MLA   Click to copy
Germain, Ryan R., et al. Carotenoid-Based Male Plumage Predicts Parental Investment in the American Redstart. 2010.

@article{ryan2010a,
  title = {Carotenoid-based Male Plumage Predicts Parental Investment in the American Redstart},
  year = {2010},
  author = {Germain, Ryan R. and Reudink, M. and Marra, P. and Ratcliffe, L.}
}