Report of the First Congress of the Socialist International held at Frankfurt-on-Main : : 30 June - 3 July 1951.

MLA

Report of the First Congress of the Socialist International Held At Frankfurt-on-main : 30 June - 3 July 1951. London: Socialist International, 1951.

APA

(1951). Report of the First Congress of the Socialist International held at Frankfurt-on-Main : 30 June - 3 July 1951. London: Socialist International.

Chicago

Report of the First Congress of the Socialist International Held At Frankfurt-On-Main: 30 June - 3 July 1951. London: Socialist International, 1951.