United States. Department of Agriculture. Office of the Secretary. (1926). Sterilization of American foulbrood combs. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Sterilization of American Foulbrood Combs. Washington: [publisher not identified], 1926.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Sterilization of American Foulbrood Combs. [publisher not identified], 1926.
Warning: These citations may not always be 100% accurate.