Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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