Citazione Stile APA (7a Edizione)

Troeh, F., Hobbs, J. A., & Donahue, R. L. (1991). Soil and water conservation (2nd ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Troeh, Frederick, J. Arthur Hobbs, e Roy Luther Donahue. Soil and Water Conservation. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1991.

Citatione MLA (9a ed.)

Troeh, Frederick, et al. Soil and Water Conservation. 2nd ed. Prentice-Hall, 1991.