Cita APA (7th ed.)

Hansen, V. E., Israelsen, O. W., & Stringham, G. E. (1979). Irrigation principles and practices (4a. ed.). John Wiley.

Cita Chicago (17th ed.)

Hansen, Vaughn E., Orson Winso Israelsen, i Glen E. Stringham. Irrigation Principles and Practices. 4a. ed. Nueva York: John Wiley, 1979.

Cita MLA (9th ed.)

Hansen, Vaughn E., et al. Irrigation Principles and Practices. 4a. ed. John Wiley, 1979.