Cita APA

Encyclopaedia Britannica Films. (1968). World Ward I: A documentary on the role of the U.S.A. Chicago, III.: Encyclopaedia Britannica Films.

Citación estilo Chicago

Encyclopaedia Britannica Films. World Ward I: A Documentary On the Role of the U.S.A. Chicago, III.: Encyclopaedia Britannica Films, 1968.

Cita MLA

Encyclopaedia Britannica Films. World Ward I: A Documentary On the Role of the U.S.A. Chicago, III.: Encyclopaedia Britannica Films, 1968.