APA (7th ed.) Citation

Alfonso X, K. o. C. a. L. (1961). Libro de las cruzes.

Chicago Style (17th ed.) Citation

Alfonso X, King of Castile and Leon. Libro De Las Cruzes. Madrid:, 1961.

MLA (8th ed.) Citation

Alfonso X, King of Castile and Leon. Libro De Las Cruzes. 1961.

Warning: These citations may not always be 100% accurate.