(2014). Biosecurity guide for poultry and bird owners: Biosecurity for birds = Guía de biosecuridad para propietarios de aves y aves de corral : biosecuridad para las aves (Revised April 2014 =.). United States Department of Agriculture, Animal and Plant Health Inspection Service.
Chicago Style (17th ed.) CitationBiosecurity Guide for Poultry and Bird Owners: Biosecurity for Birds = Guía De Biosecuridad Para Propietarios De Aves Y Aves De Corral : Biosecuridad Para Las Aves. Revised April 2014 =. [Washington, District of Columbia]: United States Department of Agriculture, Animal and Plant Health Inspection Service, 2014.
MLA (9th ed.) CitationBiosecurity Guide for Poultry and Bird Owners: Biosecurity for Birds = Guía De Biosecuridad Para Propietarios De Aves Y Aves De Corral : Biosecuridad Para Las Aves. Revised April 2014 =. United States Department of Agriculture, Animal and Plant Health Inspection Service, 2014.