Gollin, D., Worm Hansen, C., & Wingender, A. (2021). Two blades of grass: The impact of the green revolution. University of Chicago Press.

Gollin, D., C. Worm Hansen, and A. Wingender. Two Blades of Grass: The Impact of the Green Revolution. University of Chicago Press, 2021.

Gollin, D., et al. Two Blades of Grass: The Impact of the Green Revolution. University of Chicago Press, 2021.