APA   Click to copy
Langin, K. M., Reudink, M., Marra, P. P., Norris, D., Kyser, T., & Ratcliffe, L. (2007). Hydrogen isotopic variation in migratory bird tissues of known origin: implications for geographic assignment. Oecologia.

Chicago/Turabian   Click to copy
Langin, K. M., M. Reudink, Peter P. Marra, D. Norris, T. Kyser, and L. Ratcliffe. “Hydrogen Isotopic Variation in Migratory Bird Tissues of Known Origin: Implications for Geographic Assignment.” Oecologia (2007).

MLA   Click to copy
Langin, K. M., et al. “Hydrogen Isotopic Variation in Migratory Bird Tissues of Known Origin: Implications for Geographic Assignment.” Oecologia, 2007.

@article{k2007a,
  title = {Hydrogen isotopic variation in migratory bird tissues of known origin: implications for geographic assignment},
  year = {2007},
  journal = {Oecologia},
  author = {Langin, K. M. and Reudink, M. and Marra, Peter P. and Norris, D. and Kyser, T. and Ratcliffe, L.}
}