APA (7th ed.) Citation

Pacey, A., Thrupp, L. A., & Chambers, R. (1989). Farmer first: Farmer innovation and agricultural research. Intermediate Technology Publications.

Chicago Style (17th ed.) Citation

Pacey, Arnold, Lori Ann Thrupp, and Robert Chambers. Farmer First: Farmer Innovation and Agricultural Research. London: Intermediate Technology Publications, 1989.

MLA (9th ed.) Citation

Pacey, Arnold, et al. Farmer First: Farmer Innovation and Agricultural Research. Intermediate Technology Publications, 1989.