Cita APA (7a ed.)

Stokes, J., & Stokes, G. (1977). Europe and the modern world 1870 - 1970 (1. publ., 3. impression.). Longman.

Cita Chicago Style (17a ed.)

Stokes, John, y Gwenneth Stokes. Europe and the Modern World 1870 - 1970. 1. publ., 3. impression. London: Longman, 1977.

Cita MLA (9a ed.)

Stokes, John, y Gwenneth Stokes. Europe and the Modern World 1870 - 1970. 1. publ., 3. impression. Longman, 1977.