Cita APA (7a ed.)

Owen, R., & Sutcliffe, B. (1972). Studies in the theory of imperialism. Longman.

Cita Chicago Style (17a ed.)

Owen, Roger, y Bob Sutcliffe. Studies in the Theory of Imperialism. Harlow: Longman, 1972.

Cita MLA (9a ed.)

Owen, Roger, y Bob Sutcliffe. Studies in the Theory of Imperialism. Longman, 1972.