Citazione Stile APA (7a Edizione)

Oman, C. W. C. (1899). England in the Nineteenth Century. Arnold.

Citazione stile Chigago Style (17a edizione)

Oman, Charles William Chadwick. England in the Nineteenth Century. London: Arnold, 1899.

Citatione MLA (9a ed.)

Oman, Charles William Chadwick. England in the Nineteenth Century. Arnold, 1899.