Cita APA (7a ed.)

Snow, J. T. (1977). The poetry of Alphonso X el Sabio: A critical bibliography. Grant & Cutler.

Cita Chicago Style (17a ed.)

Snow, Joseph Thomas. The Poetry of Alphonso X El Sabio: A Critical Bibliography. London: Grant & Cutler, 1977.

Cita MLA (9a ed.)

Snow, Joseph Thomas. The Poetry of Alphonso X El Sabio: A Critical Bibliography. Grant & Cutler, 1977.