Cita APA (7a ed.)

Hay, J. R., & Hay, J. R. (1978). The development of the British welfare state: 1880 - 1975. E. Arnold.

Cita Chicago Style (17a ed.)

Hay, James Roy, y James R. Hay. The Development of the British Welfare State: 1880 - 1975. London: E. Arnold, 1978.

Cita MLA (9a ed.)

Hay, James Roy, y James R. Hay. The Development of the British Welfare State: 1880 - 1975. E. Arnold, 1978.