Growing blackberries.
APA Citation
United States. Agricultural Research Service. (1975). Growing blackberries. [Rev. Oct. 1975] [Washington]: U.S. Dept. of Agriculture, Agricultural Research Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
MLA Citation
United States. Agricultural Research Service. Growing Blackberries. [Rev. Oct. 1975] [Washington]: U.S. Dept. of Agriculture, Agricultural Research Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.