Cita APA (7th ed.)

Lang, H. R. (1926). Contributions to the restoration of the "Poema del cid".

Cita Chicago (17th ed.)

Lang, H. R. Contributions to the Restoration of the "Poema Del Cid". New York ; Paris, 1926.

Cita MLA (8th ed.)

Lang, H. R. Contributions to the Restoration of the "Poema Del Cid". 1926.