APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.