APA (7th ed.) Citation

Visser 't Hooft, W. A. (1954). The ecumenical movement and the racial problem. UNESCO.

Chicago Style (17th ed.) Citation

Visser 't Hooft, W. A. The Ecumenical Movement and the Racial Problem. Paris: UNESCO, 1954.

MLA (8th ed.) Citation

Visser 't Hooft, W. A. The Ecumenical Movement and the Racial Problem. UNESCO, 1954.

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