Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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