Cita APA (7a ed.)

Cook, C., & Pugh, G. (1987). Sources in European political history. MacMillan.

Cita Chicago Style (17a ed.)

Cook, Chris, y Geoff Pugh. Sources in European Political History. Basingstoke: MacMillan, 1987.

Cita MLA (9a ed.)

Cook, Chris, y Geoff Pugh. Sources in European Political History. MacMillan, 1987.