APA

Lomax J. A., Lomax A. & Thompson H. W. (1934). American ballads and folk songs. New York: Macmillan Co.

Chicago

Lomax John Avery, Lomax Alan and Thompson Harold William. 1934. American ballads and folk songs. New York: Macmillan Co.

Harvard

Lomax J. A., Lomax A. and Thompson H. W. (1934). American ballads and folk songs. New York: Macmillan Co.

MLA

Lomax John Avery, Lomax Alan and Thompson Harold William. American ballads and folk songs. New York: Macmillan Co. 1934.