Cita APA (7a ed.)

Knowles, D. (1980). Tomas Becket. Rialp.

Cita Chicago Style (17a ed.)

Knowles, David. Tomas Becket. Madrid: Rialp, 1980.

Cita MLA (9a ed.)

Knowles, David. Tomas Becket. Rialp, 1980.