Wilcox, D. F. (1921). Analysis of the electric railway problem: Report to the Federal Electric Railways Commission with summary and recommendations. D.F. Wilcox.
Chicago-Zitierstil (17. Ausg.)Wilcox, Delos Franklin. Analysis of the Electric Railway Problem: Report to the Federal Electric Railways Commission with Summary and Recommendations. New York City: D.F. Wilcox, 1921.
MLA-Zitierstil (9. Ausg.)Wilcox, Delos Franklin. Analysis of the Electric Railway Problem: Report to the Federal Electric Railways Commission with Summary and Recommendations. D.F. Wilcox, 1921.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.