Cita APA (7a ed.)

Acton, J. E. E. D. A., & Himmelfarb, G. (1959). Essays on freedom and power (4th printing.). Meridian Books.

Cita Chicago Style (17a ed.)

Acton, John Emerich Edward Dalberg Acton, y Gertrude Himmelfarb. Essays on Freedom and Power. 4th printing. New York: Meridian Books, 1959.

Cita MLA (9a ed.)

Acton, John Emerich Edward Dalberg Acton, y Gertrude Himmelfarb. Essays on Freedom and Power. 4th printing. Meridian Books, 1959.