APA (7th ed.) Citation

Bark, W. C. (1978). Orígenes del mundo medieval (2a. ed.). EUDEBA.

Chicago Style (17th ed.) Citation

Bark, William Caroll. Orígenes Del Mundo Medieval. 2a. ed. Buenos Aires: EUDEBA, 1978.

MLA (9th ed.) Citation

Bark, William Caroll. Orígenes Del Mundo Medieval. 2a. ed. EUDEBA, 1978.