Cita APA (7a ed.)

Stuteville, D. L., & Erwin, D. C. (1990). Compendium of alfalfa diseases (2nd edition.). APS Press.

Cita Chicago Style (17a ed.)

Stuteville, Donald L., y Donald C. Erwin. Compendium of Alfalfa Diseases. 2nd edition. Minnesota: APS Press, 1990.

Cita MLA (8a ed.)

Stuteville, Donald L., y Donald C. Erwin. Compendium of Alfalfa Diseases. 2nd edition. APS Press, 1990.