Cita APA

International Botanical. (1961). Congress. 9th., Montreal, 1959 International code of botanical nomenclature adopted by the 9th. International Botanical Congress, Montreal, August 1959. Uthecht: s.e..

Citación estilo Chicago

International Botanical. Congress. 9th., Montreal, 1959 International Code of Botanical Nomenclature Adopted By the 9th. International Botanical Congress, Montreal, August 1959. Uthecht: s.e., 1961.

Cita MLA

International Botanical. Congress. 9th., Montreal, 1959 International Code of Botanical Nomenclature Adopted By the 9th. International Botanical Congress, Montreal, August 1959. Uthecht: s.e., 1961.