APA引文

Marrs, A. W. (2009). Railroads in the Old South: Pursuing progress in a slave society. Johns Hopkins University Press.

芝加哥风格引文

Marrs, Aaron W. Railroads in the Old South: Pursuing Progress in a Slave Society. Baltimore: Johns Hopkins University Press, 2009.

MLA引文

Marrs, Aaron W. Railroads in the Old South: Pursuing Progress in a Slave Society. Johns Hopkins University Press, 2009.