Cite

MLA

Screwworm. [Riverdale, Md.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2002

APA, 7th edition

(2002). Screwworm. [Riverdale, Md.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service

Chicago, 17th edition

Screwworm. [Riverdale, Md.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2002