Citazione Stile APA (7a Edizione)

Clare, J. D., & Whittock, M. (2002). Challenge & change: A world study after 1900 (Foundation, 1. publ., 4. impression.). Hodder & Stoughton.

Citazione stile Chigago Style (17a edizione)

Clare, John D., e Martyn Whittock. Challenge & Change: A World Study After 1900. Foundation, 1. publ., 4. impression. London: Hodder & Stoughton, 2002.

Citatione MLA (9a ed.)

Clare, John D., e Martyn Whittock. Challenge & Change: A World Study After 1900. Foundation, 1. publ., 4. impression. Hodder & Stoughton, 2002.