Cita APA (7th ed.)

Brick, G. A. (2009). Subterranean twin cities. University of Minnesota Press.

Cita Chicago (17th ed.)

Brick, Greg A. Subterranean Twin Cities. Minneapolis: University of Minnesota Press, 2009.

Cita MLA (9th ed.)

Brick, Greg A. Subterranean Twin Cities. University of Minnesota Press, 2009.