APA (7th ed.) Citation

United States. Bureau of Plant Industry. (1938). Sobago potato, new variety resistant to late blight. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Plant Industry. Sobago Potato, New Variety Resistant to Late Blight. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Plant Industry. Sobago Potato, New Variety Resistant to Late Blight. [s.n.], 1938.

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