(1991). Companion plants and how to use them. Devin-Adair Company.
Chicago Style (17th ed.) CitationCompanion Plants and How to Use Them. Devin-Adair Company, 1991.
MLA (8th ed.) CitationCompanion Plants and How to Use Them. Devin-Adair Company, 1991.
Warning: These citations may not always be 100% accurate.