APA (7th ed.) Citation

(2015). Backyard biosecurity practices to keep your birds healthy (Revised March 2015.). U.S. Department of Agriculture, Animal and Plant Health Inspection Service.

Chicago Style (17th ed.) Citation

Backyard Biosecurity Practices to Keep Your Birds Healthy. Revised March 2015. [Riverdale, Md.]: U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2015.

MLA (9th ed.) Citation

Backyard Biosecurity Practices to Keep Your Birds Healthy. Revised March 2015. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2015.