Cita APA (7a ed.)
Duffy, P. A., Taylor, C. R., & Cain, D. L. (1994). The economic value of farm program base. Land Economics, 70, 318-330.
Cita Chicago Style (17a ed.)
Duffy, Patricia A., C. Robert Taylor, y Danny L. Cain. "The Economic Value of Farm Program Base." Land Economics 70 (1994): 318-330.
Cita MLA (9a ed.)
Duffy, Patricia A., et al. "The Economic Value of Farm Program Base." Land Economics, vol. 70, 1994, pp. 318-330.
Precaución: Estas citas no son 100% exactas.