Cita APA (7a ed.)

Morris, J. A., & East, W. G. (1966). British Isles (4. impression.). Nelson.

Cita Chicago Style (17a ed.)

Morris, J. A., y W. G. East. British Isles. 4. impression. London [u.a.]: Nelson, 1966.

Cita MLA (9a ed.)

Morris, J. A., y W. G. East. British Isles. 4. impression. Nelson, 1966.