APA (7th ed.) Citation

Wells, N. E. J. (1988). The Ageing population: Burden or challengen. Macmillan.

Chicago Style (17th ed.) Citation

Wells, Nicholas E. J. The Ageing Population: Burden or Challengen. Basingstoke, Hants: Macmillan, 1988.

MLA (9th ed.) Citation

Wells, Nicholas E. J. The Ageing Population: Burden or Challengen. Macmillan, 1988.