APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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