APA (7th ed.) Citation

Anderson, M., & Rupp, F. (1950). Negro spirituals.

Chicago Style (17th ed.) Citation

Anderson, Marian, and Franz Rupp. Negro Spirituals. [S.l.], 1950.

MLA (9th ed.) Citation

Anderson, Marian, and Franz Rupp. Negro Spirituals. 1950.

Warning: These citations may not always be 100% accurate.