Cita APA

Gunn, C. R. 1., Spencer, H., & Skrdla, W. (1978). Classification of medicago sativa L. using legume characters and flower colors. Washington, D.C.: U.S. Departamento of Agriculture Agricultural Research Service.

Citación estilo Chicago

Gunn, Charles R. 1927-, H.C Spencer, y W.H Skrdla. Classification of Medicago Sativa L. Using Legume Characters and Flower Colors. Washington, D.C.: U.S. Departamento of Agriculture Agricultural Research Service, 1978.

Cita MLA

Gunn, Charles R. 1927-, H.C Spencer, y W.H Skrdla. Classification of Medicago Sativa L. Using Legume Characters and Flower Colors. Washington, D.C.: U.S. Departamento of Agriculture Agricultural Research Service, 1978.