APA (7th ed.) Citation

Pieck, H. (1922). Postcard originally used for the IFTU Peace Congress in 1922.

Chicago Style (17th ed.) Citation

Pieck, Henri. Postcard Originally Used for the IFTU Peace Congress in 1922. 1922.

MLA (8th ed.) Citation

Pieck, Henri. Postcard Originally Used for the IFTU Peace Congress in 1922. 1922.

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