Cita APA (7a ed.)

Berk, J. B. (1998). A simple approach for deciding when to invest. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Berk, Jonathan B. A Simple Approach for Deciding When to Invest. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Berk, Jonathan B. A Simple Approach for Deciding When to Invest. National Bureau of Economic Research, 1998.