APA   Click to copy
Clapp, J. (1996). Adjustment and agriculture in Africa.

Chicago/Turabian   Click to copy
Clapp, J. “Adjustment and Agriculture in Africa” (1996).

MLA   Click to copy
Clapp, J. Adjustment and Agriculture in Africa. 1996.

@article{j1996a,
  title = {Adjustment and agriculture in Africa},
  year = {1996},
  author = {Clapp, J.}
}