The psychology of learning,
by E.R. Guthrie.
APA Citation
Guthrie, E. R. (Edwin Ray). (1935). The psychology of learning. First edition. New York: Harper & brothers.
MLA Citation
Guthrie, Edwin R. (Edwin Ray), 1886-1959. The Psychology of Learning. First edition. New York: Harper & brothers, 1935.
Warning: These citations may not always be complete (especially for serials).