Cita APA (7a ed.)

(1976). The nineteenth century 1775-1905. George Allen und Unwin.

Cita Chicago Style (17a ed.)

The Nineteenth Century 1775-1905. London: George Allen und Unwin, 1976.

Cita MLA (9a ed.)

The Nineteenth Century 1775-1905. George Allen und Unwin, 1976.