APA Style

Social change in the twentieth century. (1977). New York: Harcourt Brace Jovanovich.

Chicago Style

Social change in the twentieth century. . New York: Harcourt Brace Jovanovich, 1977. .

MLA Style

Social change in the twentieth century. . New York: Harcourt Brace Jovanovich, 1977. .

Turabian Style

Social change in the twentieth century. New York: Harcourt Brace Jovanovich, 1977. .