Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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