APA (7th ed.) Citation

Richardson, E. P., & Spaeth, S. (1955). American mountain songs. Greenberg.

Chicago Style (17th ed.) Citation

Richardson, Ethel Park, and Sigmund Spaeth. American Mountain Songs. [New York]: Greenberg, 1955.

MLA (9th ed.) Citation

Richardson, Ethel Park, and Sigmund Spaeth. American Mountain Songs. Greenberg, 1955.