Cita APA (7a ed.)

Council, N. R., Agriculture, B. o., & Committee on Assessing Crop Yield: Site-Specific Farming, I. S. (1997). Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management (21th ed.). National Academies Press.

Cita Chicago Style (17a ed.)

Council, National Research, Board on Agriculture, y Information Systems Committee on Assessing Crop Yield: Site-Specific Farming. Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. 21th ed. Washington: National Academies Press, 1997.

Cita MLA (8a ed.)

Council, National Research, et al. Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. 21th ed. National Academies Press, 1997.