American Horticultural Society. American Lily year book. The American Horticultural Society.
Chicago Style (17th ed.) CitationAmerican Horticultural Society. American Lily Year Book. [Washington, D.C.]: The American Horticultural Society.
MLA (9th ed.) CitationAmerican Horticultural Society. American Lily Year Book. The American Horticultural Society.
Warning: These citations may not always be 100% accurate.