APA (7th ed.) Citation

Marcel, R., Marcel, R., Jean, G., Jean, G., Daouda, A., Daouda, A., . . . , W. Y. F. -. I. O. C. To all National Festival Committees Letter by the International Preparatory Committee of the 7th World Youth and Students' Festival.

Chicago Style (17th ed.) Citation

Marcel, Rubin, Rubin Marcel, Garcias Jean, Garcias Jean, Ardaly Daouda, Ardaly Daouda, Βιέννη Παγκόσμιο Φεστιβάλ Νεολαίας και Σπουδαστών (7ο, and World Youth Festival - International Organisational Committee. To All National Festival Committees Letter by the International Preparatory Committee of the 7th World Youth and Students' Festival.

MLA (8th ed.) Citation

Marcel, Rubin, et al. To All National Festival Committees Letter by the International Preparatory Committee of the 7th World Youth and Students' Festival.