APA (7th ed.) Citation

Hubbard, F. H. (1981). Encyclopedia of North American railroading: 150 years of railroading in the United States and Canada. McGraw-Hill.

Chicago Style (17th ed.) Citation

Hubbard, Freeman H. Encyclopedia of North American Railroading: 150 Years of Railroading in the United States and Canada. New York: McGraw-Hill, 1981.

MLA (9th ed.) Citation

Hubbard, Freeman H. Encyclopedia of North American Railroading: 150 Years of Railroading in the United States and Canada. McGraw-Hill, 1981.