Cita APA (7th ed.)

HOBSON, J. A. (1968). Imperialism: A study. Allen & Unwin.

Cita Chicago (17th ed.)

HOBSON, J. A. Imperialism: A Study. London: Allen & Unwin, 1968.

Cita MLA (9th ed.)

HOBSON, J. A. Imperialism: A Study. Allen & Unwin, 1968.