Cita APA (7a ed.)

Epstein, T. S., & Penny, D. H. (1972). Opportunity and response: Case studies in economic development. C. Hurst.

Cita Chicago Style (17a ed.)

Epstein, T. Scarlett, y David Harry Penny. Opportunity and Response: Case Studies in Economic Development. London,: C. Hurst, 1972.

Cita MLA (8a ed.)

Epstein, T. Scarlett, y David Harry Penny. Opportunity and Response: Case Studies in Economic Development. C. Hurst, 1972.