Practical mathematics.
Instruction paper,
prepared by Glenn M.Hobbs, Edward B.Waite, Ernest L.Wallace [and] Thomas E.Dial.
APA Citation
Hobbs, G. M. (Glenn Moody)., Waite, E. B. (Edward Broughton). (1912). Practical mathematics: Instruction paper. Chicago, Illinois: American school of correspondence.
MLA Citation
Hobbs, Glenn M. (Glenn Moody), 1870-, and Edward B. (Edward Broughton) Waite. Practical Mathematics: Instruction Paper. Chicago, Illinois: American school of correspondence, 1912.
Warning: These citations may not always be complete (especially for serials).