Cita APA (7a ed.)

Krugman, P. R. (1995). Trade with Japan: Has the door opened wider? University of Chicago Press.

Cita Chicago Style (17a ed.)

Krugman, Paul R. Trade with Japan: Has the Door Opened Wider? Chicago [etc.]: University of Chicago Press, 1995.

Cita MLA (9a ed.)

Krugman, Paul R. Trade with Japan: Has the Door Opened Wider? University of Chicago Press, 1995.