MLA

Barber, Noel. Seven Days of Freedom : the Hungarian Uprising 1956. London: Macmillan, 1973.

APA

Barber, N. (1973). Seven days of freedom : the Hungarian uprising 1956. London: Macmillan.

Chicago

Barber, Noel, Seven Days of Freedom: The Hungarian Uprising 1956. London: Macmillan, 1973.