APA (7th ed.) Citation

(1934). International rules of botanical nomeclature adopted by the 5th International Botanical Congress, Cambridge, 1930. Taylor and Francis.

Chicago Style (17th ed.) Citation

International Rules of Botanical Nomeclature Adopted by the 5th International Botanical Congress, Cambridge, 1930. London: Taylor and Francis, 1934.

MLA (9th ed.) Citation

International Rules of Botanical Nomeclature Adopted by the 5th International Botanical Congress, Cambridge, 1930. Taylor and Francis, 1934.