APA   Click to copy
Cowgill, L. W. (2007). Humeral torsion revisited: a functional and ontogenetic model for populational variation. American Journal of Physical Anthropology, 137, 472–480.

Chicago/Turabian   Click to copy
Cowgill, Libby W. “Humeral Torsion Revisited: a Functional and Ontogenetic Model for Populational Variation.” American journal of physical anthropology 137 (2007): 472–480.

MLA   Click to copy
Cowgill, Libby W. “Humeral Torsion Revisited: a Functional and Ontogenetic Model for Populational Variation.” American Journal of Physical Anthropology, vol. 137, 2007, pp. 472–80.

@article{libby2007a,
  title = {Humeral torsion revisited: a functional and ontogenetic model for populational variation.},
  year = {2007},
  journal = {American journal of physical anthropology},
  pages = {472-480},
  volume = {137},
  author = {Cowgill, Libby W.}
}