Cita APA (7a ed.)

Perkin, H. (1969). The origins of modern english: Society 1780-1880. Routledge y Regan Paul.

Cita Chicago Style (17a ed.)

Perkin, Harold. The Origins of Modern English: Society 1780-1880. London: Routledge y Regan Paul, 1969.

Cita MLA (8a ed.)

Perkin, Harold. The Origins of Modern English: Society 1780-1880. Routledge y Regan Paul, 1969.