Learning the three R's;
a modern interpretation,
by Gertrude Hildreth.
APA Citation
Hildreth, G. Howell., Boynton, P. Lewis. (1936). Learning the three R's: a modern interpretation. Minneapolis: Educational Publishers.
MLA Citation
Hildreth, Gertrude Howell, 1898-1984, and Paul Lewis Boynton. Learning the Three R's: a Modern Interpretation. Minneapolis: Educational Publishers, 1936.
Warning: These citations may not always be complete (especially for serials).