APA   Click to copy
Clapp, J., Desmarais, A., & Margulis, M. (2015). Progress on the right to food.

Chicago/Turabian   Click to copy
Clapp, J., A. Desmarais, and M. Margulis. “Progress on the Right to Food” (2015).

MLA   Click to copy
Clapp, J., et al. Progress on the Right to Food. 2015.

@article{j2015a,
  title = {Progress on the right to food},
  year = {2015},
  author = {Clapp, J. and Desmarais, A. and Margulis, M.}
}