APA (7th ed.) Citation

Layard, R., Piachaud, D., & Stewart, M. (1978). The causes of poverty. H.M.S.O.

Chicago Style (17th ed.) Citation

Layard, Richard, David Piachaud, and Michael Stewart. The Causes of Poverty. London: H.M.S.O, 1978.

MLA (9th ed.) Citation

Layard, Richard, et al. The Causes of Poverty. H.M.S.O, 1978.