Burg, T. E., & Campbell, R. W. (2006). Milwaukee Road: Steam in the West : locomotive photos from the Roy Campbell collection. Merrill Pub. Associates.
Cita Chicago Style (17a ed.)Burg, Thomas E., y Roy W. Campbell. Milwaukee Road: Steam in the West : Locomotive Photos from the Roy Campbell Collection. Merrill, WI: Merrill Pub. Associates, 2006.
Cita MLA (8a ed.)Burg, Thomas E., y Roy W. Campbell. Milwaukee Road: Steam in the West : Locomotive Photos from the Roy Campbell Collection. Merrill Pub. Associates, 2006.
Precaución: Estas citas no son 100% exactas.