Zimmerman, P. W., Hitchcock, A. E., & Crocker, W. (1931). Gas injury to roses in greenhouses. Boyce Thompson Institute for Plant Research.
Chicago Style (17th ed.) CitationZimmerman, P. W., A. E. Hitchcock, and William Crocker. Gas Injury to Roses in Greenhouses. Yonkers, N.Y: Boyce Thompson Institute for Plant Research, 1931.
MLA (9th ed.) CitationZimmerman, P. W., et al. Gas Injury to Roses in Greenhouses. Boyce Thompson Institute for Plant Research, 1931.
Warning: These citations may not always be 100% accurate.