Piper, C. V., Vinall, H. N., Oakley, R. A., Carrier, L., Baker, O. E., Cotton, J. S., . . . Bell, W. B. (1924). Our forage resources. United States Department of Agriculture.
Chicago Style (17th ed.) CitationPiper, Charles V., et al. Our Forage Resources. [Washington, D.C.]: United States Department of Agriculture, 1924.
MLA (9th ed.) CitationPiper, Charles V., et al. Our Forage Resources. United States Department of Agriculture, 1924.
Warning: These citations may not always be 100% accurate.