Cita APA (7a ed.)

Hammack, D. C., & Anheier, H. K. (2010). American Foundations: Roles and Contributions. Brookings Institution Press.

Cita Chicago Style (17a ed.)

Hammack, David C., y Helmut K. Anheier. American Foundations: Roles and Contributions. Washington, D.C.: Brookings Institution Press, 2010.

Cita MLA (8a ed.)

Hammack, David C., y Helmut K. Anheier. American Foundations: Roles and Contributions. Brookings Institution Press, 2010.