Cita APA (7a ed.)

Stokes, J. P., & Stokes, G. (1973). Europe and the modern world, 1870-1970. Longman.

Cita Chicago Style (17a ed.)

Stokes, John Philip, y Gwenneth Stokes. Europe and the Modern World, 1870-1970. London: Longman, 1973.

Cita MLA (9a ed.)

Stokes, John Philip, y Gwenneth Stokes. Europe and the Modern World, 1870-1970. Longman, 1973.