Cita APA (7th ed.)

Hobson, J. A., & Siegelman, P. (1965). Imperialism: A study. University of Michigan Press.

Cita Chicago (17th ed.)

Hobson, John Atkinson, i Philip Siegelman. Imperialism: A Study. Ann Arbor, Michigan: University of Michigan Press, 1965.

Cita MLA (9th ed.)

Hobson, John Atkinson, i Philip Siegelman. Imperialism: A Study. University of Michigan Press, 1965.