Manning, J. W. (1931). Plant buyers index: Over twenty thousand varieties and from what American sources they may be obtained (Third edition.). J.W. & E.G. Manning.
Chicago Style (17th ed.) CitationManning, J. Woodward. Plant Buyers Index: Over Twenty Thousand Varieties and from What American Sources They May Be Obtained. Third edition. Reading, Mass.: J.W. & E.G. Manning, 1931.
MLA (9th ed.) CitationManning, J. Woodward. Plant Buyers Index: Over Twenty Thousand Varieties and from What American Sources They May Be Obtained. Third edition. J.W. & E.G. Manning, 1931.
Warning: These citations may not always be 100% accurate.