Vocal Music, or The Songster's Companion.

MLA

Horsfield, Robert. Vocal Music, Or The Songster's Companion. London: Baker and Galabin; Horsfield, 1775.

APA

Horsfield, R. (1775). Vocal Music, or The Songster's Companion. London: Baker and Galabin; Horsfield.

Chicago

Horsfield, Robert Vocal Music, Or The Songster's Companion. London: Baker and Galabin; Horsfield, 1775.