APA

Popenoe D., . (1974). Sociology. New York: Appleton-Century-Crofts.

Chicago

Popenoe David, . 1974. Sociology. New York: Appleton-Century-Crofts.

Harvard

Popenoe D., . (1974). Sociology. New York: Appleton-Century-Crofts.

MLA

Popenoe David, . Sociology. New York: Appleton-Century-Crofts. 1974.