APA
(1939). [Folk Dancers' Festival Ball, January 6th, 1939]. : .
Chicago
1939. [Folk Dancers' Festival Ball, January 6th, 1939]. : .
Harvard
(1939). [Folk Dancers' Festival Ball, January 6th, 1939]. : .
MLA
[Folk Dancers' Festival Ball, January 6th, 1939]. : . 1939.