Cita APA (7a ed.)

Noponen, H., Driessen, K., & Markusen, A. (1997). Trade and American cities: Who has the comparative advantage? Sage.

Cita Chicago Style (17a ed.)

Noponen, Helzi, Karl Driessen, y Ann Markusen. Trade and American Cities: Who Has the Comparative Advantage? Thousand Oaks, California: Sage, 1997.

Cita MLA (9a ed.)

Noponen, Helzi, et al. Trade and American Cities: Who Has the Comparative Advantage? Sage, 1997.