APA

United States Department of Agriculture, .Tropical nursery manual: A guide to starting and operating a nursery for native and traditional plants. : .

Chicago

United States Department of Agriculture, .Tropical nursery manual: A guide to starting and operating a nursery for native and traditional plants. : .

Harvard

United States Department of Agriculture, .Tropical nursery manual: A guide to starting and operating a nursery for native and traditional plants. : .

MLA

United States Department of Agriculture, .: . .