APA (7th ed.) Citation

Newton, H., & Squiers, C. (1987). Portraits (1st American ed.). Pantheon Books.

Chicago Style (17th ed.) Citation

Newton, Helmut, and Carol Squiers. Portraits. 1st American ed. New York: Pantheon Books, 1987.

MLA (9th ed.) Citation

Newton, Helmut, and Carol Squiers. Portraits. 1st American ed. Pantheon Books, 1987.