APA

Mitchell H. L., . (1972). How PEG helps the hobbyist who works with wood. [b. m. ]: U. S. Department of Agriculture Forest Service.

Chicago

Mitchell H L, . 1972. How PEG helps the hobbyist who works with wood. [b. m. ]: U. S. Department of Agriculture Forest Service.

Harvard

Mitchell H. L., . (1972). How PEG helps the hobbyist who works with wood. [b. m. ]: U. S. Department of Agriculture Forest Service.

MLA

Mitchell H L, . How PEG helps the hobbyist who works with wood. [b. m. ]: U. S. Department of Agriculture Forest Service. 1972.