APA   Click to copy
DeSilva, J., Proctor, D. J., & Zipfel, B. (2012). A complete second metatarsal (StW 89) from Sterkfontein Member 4, South Africa. Journal of Human Evolution.

Chicago/Turabian   Click to copy
DeSilva, J., Daniel J. Proctor, and B. Zipfel. “A Complete Second Metatarsal (StW 89) from Sterkfontein Member 4, South Africa.” Journal of human evolution (2012).

MLA   Click to copy
DeSilva, J., et al. “A Complete Second Metatarsal (StW 89) from Sterkfontein Member 4, South Africa.” Journal of Human Evolution, 2012.

@article{j2012a,
  title = {A complete second metatarsal (StW 89) from Sterkfontein Member 4, South Africa.},
  year = {2012},
  journal = {Journal of human evolution},
  author = {DeSilva, J. and Proctor, Daniel J. and Zipfel, B.}
}