21 variations on a theme.
APA Citation
Cory, D. Webster., Schorer, M. (1953). 21 variations on a theme. New York: Greenberg.
MLA Citation
Cory, Donald Webster, pseud, and Mark Schorer. 21 Variations On a Theme. New York: Greenberg, 1953.
Warning: These citations may not always be complete (especially for serials).