APA

Barber S., . (1942). Let down the bars, o death [música] : for four part chorus of mixed voices a cappella. New York: G. Schirmer.

Chicago

Barber Samuel, . 1942. Let down the bars, o death [música] : for four part chorus of mixed voices a cappella. New York: G. Schirmer.

Harvard

Barber S., . (1942). Let down the bars, o death [música] : for four part chorus of mixed voices a cappella. New York: G. Schirmer.

MLA

Barber Samuel, . Let down the bars, o death [música] : for four part chorus of mixed voices a cappella. New York: G. Schirmer. 1942.