Lewis, J. H., Cupper, P. A., & Fortier, S. (1909). Irrigation in Oregon. Government Printing Office.
Cita Chicago Style (17a ed.)Lewis, John H., Percy A. Cupper, y Samuel Fortier. Irrigation in Oregon. Washington [D.C.]: Government Printing Office, 1909.
Cita MLA (8a ed.)Lewis, John H., et al. Irrigation in Oregon. Government Printing Office, 1909.
Precaución: Estas citas no son 100% exactas.