Cita APA (7th ed.)

Historical Social Research / Supplement. GESIS - Leibniz Institute for the Social Sciences.

Cita Chicago (17th ed.)

Historical Social Research / Supplement. Köln: GESIS - Leibniz Institute for the Social Sciences.

Cita MLA (8th ed.)

Historical Social Research / Supplement. GESIS - Leibniz Institute for the Social Sciences.

Atenció: Aquestes cites poden no estar 100% correctes.