APA
(1949). Youth sings = La jeunesse chante = La juventud canta. Budapest: International Union of Students.
Chicago
1949. Youth sings = La jeunesse chante = La juventud canta. Budapest: International Union of Students.
Harvard
(1949). Youth sings = La jeunesse chante = La juventud canta. Budapest: International Union of Students.
MLA
Youth sings = La jeunesse chante = La juventud canta. Budapest: International Union of Students. 1949.