Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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