Cita APA (7th ed.)

Vago, S. (1996). Social change (3rd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Vago, Steven. Social Change. 3rd ed. Upper Saddle River, N. J: Prentice Hall, 1996.

Cita MLA (9th ed.)

Vago, Steven. Social Change. 3rd ed. Prentice Hall, 1996.