APA (7th ed.) Citation

United States. Occupational Safety and Health Administration. (2011). Tree trimming & removal: Corte y remoción de árboles. U.S. Dept. of Labor, Occupational Safety and Health Administration.

Chicago Style (17th ed.) Citation

United States. Occupational Safety and Health Administration. Tree Trimming & Removal: Corte Y Remoción De árboles. [Washington, D.C.]: U.S. Dept. of Labor, Occupational Safety and Health Administration, 2011.

MLA (9th ed.) Citation

United States. Occupational Safety and Health Administration. Tree Trimming & Removal: Corte Y Remoción De árboles. U.S. Dept. of Labor, Occupational Safety and Health Administration, 2011.