APA (7th ed.) Zitazioa

Egremont, M. (1980). Balfour: A life of Arthur James Balfour. Collins.

Chicago Style (17th ed.) Zitazioa

Egremont, Max. Balfour: A Life of Arthur James Balfour. London: Collins, 1980.

MLA (9th ed.) Zitazioa

Egremont, Max. Balfour: A Life of Arthur James Balfour. Collins, 1980.