APA (7th ed.) Citation

United States. Bureau of Entomology. (1789). [Form letter replying to request for instruction book on silk culture]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. [Form Letter Replying to Request for Instruction Book on Silk Culture]. [Washington]: [publisher not identified], 1789.

MLA (9th ed.) Citation

United States. Bureau of Entomology. [Form Letter Replying to Request for Instruction Book on Silk Culture]. [publisher not identified], 1789.

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