Cita APA (7a ed.)

Sheridan, J. D., & Butler, E. (1959). Great Britain, Europe, the world (new and compl. rev. ed. of the orig. text.). Educational co. of Ireland.

Cita Chicago Style (17a ed.)

Sheridan, John D., y Elenor Butler. Great Britain, Europe, the World. new and compl. rev. ed. of the orig. text. Dublin: Educational co. of Ireland, 1959.

Cita MLA (9a ed.)

Sheridan, John D., y Elenor Butler. Great Britain, Europe, the World. new and compl. rev. ed. of the orig. text. Educational co. of Ireland, 1959.