Tohutoro APA (7th ed.)

Busigny, F., Boesch, J., Gruen, E. S., & Sieber, E. (1968). Historia universal. Losada.

Tohutoru Kātū Chicago (17th ed.)

Busigny, Felix, Joseph Boesch, Erich S. Gruen, me Eduard Sieber. Historia Universal. Buenos Aires, Argentina: Losada, 1968.

Tohutoro MLA (9th ed.)

Busigny, Felix, et al. Historia Universal. Losada, 1968.