APA (7th ed.) Citation

Smith, L., Arthur, C., Langridge, J., Illingworth, S., & O'Donnell, T. (1995). The twentieth-century world (1. publ.). Folens.

Chicago Style (17th ed.) Citation

Smith, Lucy, Caroline Arthur, Janet Langridge, Steve Illingworth, and Tony O'Donnell. The Twentieth-century World. 1. publ. Dunstable: Folens, 1995.

MLA (9th ed.) Citation

Smith, Lucy, et al. The Twentieth-century World. 1. publ. Folens, 1995.