United States. Department of Agriculture. Office of the Secretary & Willard, H. F. (1930). Parasitism of Mediterranean fruit fly in Hawaii, 1922-1924. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and H. F. Willard. Parasitism of Mediterranean Fruit Fly in Hawaii, 1922-1924. Washington: U.S. GPO, 1930.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and H. F. Willard. Parasitism of Mediterranean Fruit Fly in Hawaii, 1922-1924. U.S. GPO, 1930.
Warning: These citations may not always be 100% accurate.