Citazione Stile APA (7a Edizione)

Botsford, F. H., & Engel, C. (1930). Botsford collection of folk-songs: With English versions by American poets (Rev. ed.). Schirmer.

Citazione stile Chigago Style (17a edizione)

Botsford, Florence Hudson, e Carl Engel. Botsford Collection of Folk-songs: With English Versions by American Poets. Rev. ed. New York: Schirmer, 1930.

Citatione MLA (8a ed.)

Botsford, Florence Hudson, e Carl Engel. Botsford Collection of Folk-songs: With English Versions by American Poets. Rev. ed. Schirmer, 1930.