Cita APA (7a ed.)

Hidy, R. W., Hidy, M. E., & Scott, R. V. (2004). Great Northern Railway: A History. University of Minnesota Press.

Cita Chicago Style (17a ed.)

Hidy, Ralph W., Muriel E. Hidy, y Roy V. Scott. Great Northern Railway: A History. Minneapolis: University of Minnesota Press, 2004.

Cita MLA (8a ed.)

Hidy, Ralph W., et al. Great Northern Railway: A History. University of Minnesota Press, 2004.