APA (7th ed.) Citation

Smith, D., & Knab, P. (1995). Delia Smith's summer collection. Viking.

Chicago Style (17th ed.) Citation

Smith, Delia, and Peter Knab. Delia Smith's Summer Collection. New York: Viking, 1995.

MLA (9th ed.) Citation

Smith, Delia, and Peter Knab. Delia Smith's Summer Collection. Viking, 1995.