APA (7th ed.) Citation

Shaw, C. G. (1949). Downy mildew of Urtica in the United States ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Shaw, Charles Gardner. Downy Mildew of Urtica in the United States. [Sonderdr.]. 1949.

MLA (9th ed.) Citation

Shaw, Charles Gardner. Downy Mildew of Urtica in the United States. [Sonderdr.]. 1949.

Warning: These citations may not always be 100% accurate.