Cita APA (7a ed.)

Wolfson, R., & Laver, J. (2002). Years of change: European history 1890 - 1990 (3. ed.). Hodder & Stoughton.

Cita Chicago Style (17a ed.)

Wolfson, Robert, y John Laver. Years of Change: European History 1890 - 1990. 3. ed. London: Hodder & Stoughton, 2002.

Cita MLA (9a ed.)

Wolfson, Robert, y John Laver. Years of Change: European History 1890 - 1990. 3. ed. Hodder & Stoughton, 2002.