APA (7th ed.) Citation

(2000). International code of botanical nomenclature: (Saint Louis Code) ; adopted by the Sixteenth International Botanical Congress, St. Louis, Missouri, July - August 1999. Koeltz Scientific Books.

Chicago Style (17th ed.) Citation

International Code of Botanical Nomenclature: (Saint Louis Code) ; Adopted by the Sixteenth International Botanical Congress, St. Louis, Missouri, July - August 1999. Königstein: Koeltz Scientific Books, 2000.

MLA (9th ed.) Citation

International Code of Botanical Nomenclature: (Saint Louis Code) ; Adopted by the Sixteenth International Botanical Congress, St. Louis, Missouri, July - August 1999. Koeltz Scientific Books, 2000.