Cita APA (7th ed.)

Brogan, D. W. (1967). Worlds in conflict ([1st U.S. ed.].). H. Hamilton.

Cita Chicago (17th ed.)

Brogan, D. W. Worlds in Conflict. [1st U.S. ed.]. London: H. Hamilton, 1967.

Cita MLA (8th ed.)

Brogan, D. W. Worlds in Conflict. [1st U.S. ed.]. H. Hamilton, 1967.