The psychology of ego-involvements :
social attitudes & identifications /
by Muzafer Sherif and Hadley Cantril.

APA Citation

Sherif, M., Cantril, H. (1947). The psychology of ego-involvements: social attitudes & identifications. New York: J. Wiley.

MLA Citation

Sherif, Muzafer, 1906-1988, and Hadley Cantril. The Psychology of Ego-involvements: Social Attitudes & Identifications. New York: J. Wiley, 1947.

Warning: These citations may not always be complete (especially for serials).