A guide to the teaching of spelling,
by Hugh Clark Pryor ... and Marvin Summers Pittmann.
APA Citation
Pryor, H. Clark., Pittman, M. Summers. (1921). A guide to the teaching of spelling. New York: The Macmillan company.
MLA Citation
Pryor, Hugh Clark, 1881-, and Marvin Summers Pittman. A Guide to the Teaching of Spelling. New York: The Macmillan company, 1921.
Warning: These citations may not always be complete (especially for serials).