APA (7th ed.) Citation

Zandstra, H., Price, E., & Litsinger, J. (1981). A methodology for on-farm cropping systems research. Los Banos, Laguna (Philippines) International Rice Research Inst.

Chicago Style (17th ed.) Citation

Zandstra, H.G, E.C Price, and J.A Litsinger. A Methodology for On-farm Cropping Systems Research. Los Banos, Laguna (Philippines) International Rice Research Inst, 1981.

MLA (8th ed.) Citation

Zandstra, H.G, et al. A Methodology for On-farm Cropping Systems Research. Los Banos, Laguna (Philippines) International Rice Research Inst, 1981.

IICA/CATIE Citation

Zandstra, H., Price, E., ; Litsinger, J. 1981. A methodology for on-farm cropping systems research. Los Banos, Laguna (Philippines) International Rice Research Inst.