Cita APA (7a ed.)

Chapman, A., & Buck, W. J. (1910). Unexplored Spain. Edward Arnold.

Cita Chicago Style (17a ed.)

Chapman, Abel, y Walter John Buck. Unexplored Spain. London: Edward Arnold, 1910.

Cita MLA (9a ed.)

Chapman, Abel, y Walter John Buck. Unexplored Spain. Edward Arnold, 1910.