Citazione Stile APA (7a Edizione)

Hoffmaister, W., Coe, D., & Helpman, E. (2008). International R and D Spillovers and Institutions. International Monetary Fund.

Citazione stile Chigago Style (17a edizione)

Hoffmaister, Willy, David Coe, e Elhanan Helpman. International R and D Spillovers and Institutions. Washington, D.C.: International Monetary Fund, 2008.

Citatione MLA (8a ed.)

Hoffmaister, Willy, et al. International R and D Spillovers and Institutions. International Monetary Fund, 2008.