APA (7th ed.) Citation

United States. Bureau of Entomology. (1885). [Form letter replying to request for silk culture manual]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. [Form Letter Replying to Request for Silk Culture Manual]. [Washington]: [publisher not identified], 1885.

MLA (9th ed.) Citation

United States. Bureau of Entomology. [Form Letter Replying to Request for Silk Culture Manual]. [publisher not identified], 1885.

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