Lumley, P., & Spencer, R. (1991). Plant names: A guide to botanical nomenclature (2. ed.). Royal Botanic Gardens.
Chicago Style (17th ed.) CitationLumley, Peter, and Roger Spencer. Plant Names: A Guide to Botanical Nomenclature. 2. ed. Melbourne: Royal Botanic Gardens, 1991.
MLA (9th ed.) CitationLumley, Peter, and Roger Spencer. Plant Names: A Guide to Botanical Nomenclature. 2. ed. Royal Botanic Gardens, 1991.
Warning: These citations may not always be 100% accurate.