APA (7th ed.) Citation

Sewell, A., Sutton, F., & Frankenberg, R. (1960). Black beauty to read aloud. Spring Books.

Chicago Style (17th ed.) Citation

Sewell, Anna, Felix Sutton, and Robert Frankenberg. Black Beauty to Read Aloud. London: Spring Books, 1960.

MLA (9th ed.) Citation

Sewell, Anna, et al. Black Beauty to Read Aloud. Spring Books, 1960.

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