APA (7th ed.) Citation

Arthur, A., Einsiedel, A., King, D., & Keates, C. (1989). Shell. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Arthur, Alex, Andreas Einsiedel, Dave King, and Colin Keates. Shell. London: Dorling Kindersley, 1989.

MLA (9th ed.) Citation

Arthur, Alex, et al. Shell. Dorling Kindersley, 1989.