Problems in elementary woodworking graded for instruction by the group method

Chicago citation style
Vitz, Hugo J. P., 1886-. Problems in elementary woodworking graded for instruction by the group method. [c1920]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009575550. (Accessed December 18, 2018.)
APA citation style
Vitz, Hugo J. P., 1886-, ([c1920]) Problems in elementary woodworking graded for instruction by the group method. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009575550
MLA citation style
Vitz, Hugo J. P., 1886-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/009575550>.
Note: These citations are programmatically generated and may be incomplete.