APA (7th ed.) Citation

Gunn, C. R., Skrdla, W. H., & Spencer, H. C. (1978). Classification of Medicago sativa L. using legume characters and flower colors. Dept. of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

Gunn, Charles R., W H. Skrdla, and H. C. Spencer. Classification of Medicago Sativa L. Using Legume Characters and Flower Colors. Washington: Dept. of Agriculture, Agricultural Research Service, 1978.

MLA (9th ed.) Citation

Gunn, Charles R., et al. Classification of Medicago Sativa L. Using Legume Characters and Flower Colors. Dept. of Agriculture, Agricultural Research Service, 1978.