Cita APA (7th ed.)

Gilmour, D. Curzon: Imperial statesman (First edition.). New York.

Cita Chicago (17th ed.)

Gilmour, David. Curzon: Imperial Statesman. First edition. : New York.

Cita MLA (9th ed.)

Gilmour, David. Curzon: Imperial Statesman. First edition. New York.