APA

Smallman J., Wilcox E. H., . (1933). The art of a cappella singing: with sixteen representative works; containing instruction for singers in choral groups, to promote an artistic ensemble; and analysis of the compositions for technique, interpretation, and appreciation. Philadelphia: Oliver Ditson company.

Chicago

Smallman John, Wilcox Ernest Harold, . 1933. The art of a cappella singing: with sixteen representative works; containing instruction for singers in choral groups, to promote an artistic ensemble; and analysis of the compositions for technique, interpretation, and appreciation. Philadelphia: Oliver Ditson company.

Harvard

Smallman J., Wilcox E. H., . (1933). The art of a cappella singing: with sixteen representative works; containing instruction for singers in choral groups, to promote an artistic ensemble; and analysis of the compositions for technique, interpretation, and appreciation. Philadelphia: Oliver Ditson company.

MLA

Smallman John, Wilcox Ernest Harold, . The art of a cappella singing: with sixteen representative works; containing instruction for singers in choral groups, to promote an artistic ensemble; and analysis of the compositions for technique, interpretation, and appreciation. Philadelphia: Oliver Ditson company. 1933.