APA (7th ed.) Citation

Travers, K. J., Westbury, I., & Oldham, E. E. (1989). The IEA study of mathematics [edited by] Kenneth J. Travers and Ian Westbury with assistance from Elizabeth E. Oldham ... (et al.). Pergamon.

Chicago Style (17th ed.) Citation

Travers, Kenneth J., Ian Westbury, and Elizabeth E. Oldham. The IEA Study of Mathematics [edited by] Kenneth J. Travers and Ian Westbury with Assistance from Elizabeth E. Oldham ... (et Al.). Oxford: Pergamon, 1989.

MLA (9th ed.) Citation

Travers, Kenneth J., et al. The IEA Study of Mathematics [edited by] Kenneth J. Travers and Ian Westbury with Assistance from Elizabeth E. Oldham ... (et Al.). Pergamon, 1989.

Warning: These citations may not always be 100% accurate.