Cita APA (7a ed.)

Hammer, A. (1988). Hammer Witness to History. Cent Hodder and Stoughton.

Cita Chicago Style (17a ed.)

Hammer, Armand. Hammer Witness to History. Great Britain: Cent Hodder and Stoughton, 1988.

Cita MLA (9a ed.)

Hammer, Armand. Hammer Witness to History. Cent Hodder and Stoughton, 1988.