Citazione Stile APA (7a Edizione)

Helen Dwight Reid Educational Foundation. (1990). Perspectives on political science. Heldref Publications.

Citazione stile Chigago Style (17a edizione)

Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Washington, D.C.: Heldref Publications, 1990.

Citatione MLA (9a ed.)

Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Heldref Publications, 1990.