Norman, D. J., & Ali, G. S. English Ivy (Hedera helix): Identification and Control of Diseases in Commercial Greenhouse Production and in Landscapes. The University of Florida George A. Smathers Libraries.
Chicago Style (17th ed.) CitationNorman, David J., and Gul Shad Ali. English Ivy (Hedera Helix): Identification and Control of Diseases in Commercial Greenhouse Production and in Landscapes. The University of Florida George A. Smathers Libraries.
MLA (9th ed.) CitationNorman, David J., and Gul Shad Ali. English Ivy (Hedera Helix): Identification and Control of Diseases in Commercial Greenhouse Production and in Landscapes. The University of Florida George A. Smathers Libraries.
Warning: These citations may not always be 100% accurate.