Citazione Stile APA (7a Edizione)

Sheridan, J. D. (1955). An outline geography. Educational Co. of Ireland.

Citazione stile Chigago Style (17a edizione)

Sheridan, John D. An Outline Geography. Dublin: Educational Co. of Ireland, 1955.

Citatione MLA (9a ed.)

Sheridan, John D. An Outline Geography. Educational Co. of Ireland, 1955.