Cita APA (7a ed.)

Calvert, A. F., & Haddon, T. (1908). Southern Spain. A. & C.Black.

Cita Chicago Style (17a ed.)

Calvert, Albert Frederick, y Trevor Haddon. Southern Spain. London: A. & C.Black, 1908.

Cita MLA (9a ed.)

Calvert, Albert Frederick, y Trevor Haddon. Southern Spain. A. & C.Black, 1908.