Cita APA (7a ed.)

American Society of Agronomy, Undersander, D., Martin, N., & Cosgrave, D. (1994). ALFALFA management guide. ASA.

Cita Chicago Style (17a ed.)

American Society of Agronomy, Dan Undersander, Neal Martin, y Dennis Cosgrave. ALFALFA Management Guide. [S.l.]: ASA, 1994.

Cita MLA (8a ed.)

American Society of Agronomy, et al. ALFALFA Management Guide. ASA, 1994.