International rules of botanical nomenclature :
formulated by the International Botanical Congresses of Vienna, 1905, Brussels, 1910, Cambridge, 1930; adopted and rev. by the International Botanical Congress of Amsterdam, 1935 /
comp. from various sources by W.H. Camp, H.W. Rickett and C.A. Weatherby.

APA Citation

International Congress of Botany (6th : 1935 : Amsterdam)., Camp, W. H. (Wendell Holmes)., Weatherby, C. Alfred., Rickett, H. William. (1947). International rules of botanical nomenclature: formulated by the International Botanical Congresses of Vienna, 1905, Brussels, 1910, Cambridge, 1930; adopted and rev. by the International Botanical Congress of Amsterdam, 1935. Unofficial special ed., [New York]: Pub. by the New York Botanical Garden in co-operation with the American Society of Plant Taxonomists.

MLA Citation

International Congress of Botany (6th : 1935 : Amsterdam), W. H. (Wendell Holmes) Camp, Charles Alfred Weatherby, and Harold William Rickett. International Rules of Botanical Nomenclature: Formulated by the International Botanical Congresses of Vienna, 1905, Brussels, 1910, Cambridge, 1930; Adopted And Rev. by the International Botanical Congress of Amsterdam, 1935. Unofficial special ed., [New York]: Pub. by the New York Botanical Garden in co-operation with the American Society of Plant Taxonomists, 1947.