APA (7th ed.) Citation

Schroeder, M., & Butts, M. (1950). Look at the past. Chatto and Windus.

Chicago Style (17th ed.) Citation

Schroeder, Mary, and Mary Butts. Look at the Past. London: Chatto and Windus, 1950.

MLA (9th ed.) Citation

Schroeder, Mary, and Mary Butts. Look at the Past. Chatto and Windus, 1950.