Citazione Stile APA (7a Edizione)

Sylvester, D. (1976). A new look at history. Holmes McDougall.

Citazione stile Chigago Style (17a edizione)

Sylvester, David. A New Look at History. Edinburgh: Holmes McDougall, 1976.

Citatione MLA (9a ed.)

Sylvester, David. A New Look at History. Holmes McDougall, 1976.