The psychology of learning.
APA Citation
Guthrie, E. R. (Edwin Ray). (1952). The psychology of learning. Rev. ed. New York: Harper.
MLA Citation
Guthrie, Edwin R. (Edwin Ray), 1886-1959. The Psychology of Learning. Rev. ed. New York: Harper, 1952.
Warning: These citations may not always be complete (especially for serials).