MLA

Guarino, Carmine 1893-1965. Tum-tum ninna-nanna : il cuore di Wanda : radio opera sinfonica : partitura / Carmine Guarino.. [1931?]. https://collections.library.yale.edu/catalog/15502021.

APA, 6th edition

Guarino, Carmine 1893-1965. ([1931?])[Tum-tum ninna-nanna : il cuore di Wanda : radio opera sinfonica : partitura / Carmine Guarino.]. https://collections.library.yale.edu/catalog/15502021.