Citazione Stile APA (7a Edizione)

Hagen, E. E. (1962). On the theory of social change. Feffer and Simons.

Citazione stile Chigago Style (17a edizione)

Hagen, Everett E. On the Theory of Social Change. Bombay: Feffer and Simons, 1962.

Citatione MLA (9a ed.)

Hagen, Everett E. On the Theory of Social Change. Feffer and Simons, 1962.