APA (7th ed.) Citation

United States. Agricultural Research Service. (1977). Hollies at the National Arboretum ([Rev. Jan. 1977.].). U.S. Dept. of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

United States. Agricultural Research Service. Hollies at the National Arboretum. [Rev. Jan. 1977.]. [Washington]: U.S. Dept. of Agriculture, Agricultural Research Service, 1977.

MLA (9th ed.) Citation

United States. Agricultural Research Service. Hollies at the National Arboretum. [Rev. Jan. 1977.]. U.S. Dept. of Agriculture, Agricultural Research Service, 1977.