Cita APA (7a ed.)

Roach, J. (1968). A bibliography of modern history. Cambridge University Press.

Cita Chicago Style (17a ed.)

Roach, John. A Bibliography of Modern History. London: Cambridge University Press, 1968.

Cita MLA (8a ed.)

Roach, John. A Bibliography of Modern History. Cambridge University Press, 1968.

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