APA (7th ed.) Citation

Valckenier Suringar, J. (1929). Propositions on the international rules of botanical nomenclature in regard to the International Botanical Congress in London 1930 ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Valckenier Suringar, J. Propositions on the International Rules of Botanical Nomenclature in Regard to the International Botanical Congress in London 1930. [Sonderdr.]. 1929.

MLA (9th ed.) Citation

Valckenier Suringar, J. Propositions on the International Rules of Botanical Nomenclature in Regard to the International Botanical Congress in London 1930. [Sonderdr.]. 1929.