APA (7th ed.) Citation

Layard, P. R. G., Nickell, S. J., & Jackman, R. (1994). The unemployment crisis. Oxford University Press.

Chicago Style (17th ed.) Citation

Layard, P. R. G., S. J. Nickell, and Richard Jackman. The Unemployment Crisis. Oxford University Press, 1994.

MLA (9th ed.) Citation

Layard, P. R. G., et al. The Unemployment Crisis. Oxford University Press, 1994.