Murphy, H. J., Ashley, R. A., & Morrow, L. S. (1978). Potato variety trials for 1977. New york: [yayl.y.].
Chicago Style CitationMurphy, H. J., R. A. Ashley, and L. S. Morrow. Potato Variety Trials for 1977. New york: [yayl.y.], 1978.
MLA CitationMurphy, H. J., R. A. Ashley, and L. S. Morrow. Potato Variety Trials for 1977. New york: [yayl.y.], 1978.
Warning: These citations may not always be 100% accurate.