APA (7th ed.) Citation

United States. Bureau of Plant Industry & Weiss, F. (1929). Hollyhock diseases. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry and Freeman Weiss. Hollyhock Diseases. Washington: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry and Freeman Weiss. Hollyhock Diseases. [publisher not identified], 1929.

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