Cita APA (7th ed.)
Johnson, R. (2003). British imperialism. Palgrave Macmillan.
Cita Chicago (17th ed.)
Johnson, Robert. British Imperialism. New York: Palgrave Macmillan, 2003.
Cita MLA (9th ed.)
Johnson, Robert. British Imperialism. Palgrave Macmillan, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.