APA

Juana de Ibarbourou 1., .STRING QUARTETS OP. 18 FOR TWO VIOLINS, VIOLA AND VIOLONCELLO. New York: G. SCHIRMER, INC.

Chicago

Juana de Ibarbourou 1895-1979, .STRING QUARTETS OP. 18 FOR TWO VIOLINS, VIOLA AND VIOLONCELLO. New York: G. SCHIRMER, INC.

Harvard

Juana de Ibarbourou 1., .STRING QUARTETS OP. 18 FOR TWO VIOLINS, VIOLA AND VIOLONCELLO. New York: G. SCHIRMER, INC.

MLA

Juana de Ibarbourou 1895-1979, .New York: G. SCHIRMER, INC. .