APA (7th ed.) Citation

Ingram, H. M., & Mann, D. E. (1980). Why policies succeed or fail. Sage Publications.

Chicago Style (17th ed.) Citation

Ingram, Helen M., and Dean E. Mann. Why Policies Succeed or Fail. Beverly Hills: Sage Publications, 1980.

MLA (9th ed.) Citation

Ingram, Helen M., and Dean E. Mann. Why Policies Succeed or Fail. Sage Publications, 1980.