APA

Craddock J. R., . (1986). The legislative works of Alfonso X, el Sabio. London: Grant & Cutler.

Chicago

Craddock Jerry R, . 1986. The legislative works of Alfonso X, el Sabio. London: Grant & Cutler.

Harvard

Craddock J. R., . (1986). The legislative works of Alfonso X, el Sabio. London: Grant & Cutler.

MLA

Craddock Jerry R, . The legislative works of Alfonso X, el Sabio. London: Grant & Cutler. 1986.