Cita APA (7a ed.)

Clubb, O. E. (1964). 20th century China. Columbia University Press.

Cita Chicago Style (17a ed.)

Clubb, O. Edmund. 20th Century China. New York [etc.]: Columbia University Press, 1964.

Cita MLA (9a ed.)

Clubb, O. Edmund. 20th Century China. Columbia University Press, 1964.