APA (7th ed.) Citation

Larkin, M., & Black, H. (1931). Singing cowboy: A book of western songs. A. A. Knopf.

Chicago Style (17th ed.) Citation

Larkin, Margaret, and Helen Black. Singing Cowboy: A Book of Western Songs. New York: A. A. Knopf, 1931.

MLA (9th ed.) Citation

Larkin, Margaret, and Helen Black. Singing Cowboy: A Book of Western Songs. A. A. Knopf, 1931.