Citazione Stile APA (7a Edizione)

Acton, F. B. E. E. D., & Himmelfarb, G. (1956). Essays on Freedom and Power. Thames & Hudson.

Citazione stile Chigago Style (17a edizione)

Acton, First Baron Emerich E. D., e Gertrude Himmelfarb. Essays on Freedom and Power. London: Thames & Hudson, 1956.

Citatione MLA (8a ed.)

Acton, First Baron Emerich E. D., e Gertrude Himmelfarb. Essays on Freedom and Power. Thames & Hudson, 1956.