Allen, C. (1931). Railroad Curves and Earth Work - C. Frank Allen. McGraw-Hill.
Chicago Style (17th ed.) CitationAllen, C.Frank. Railroad Curves and Earth Work - C. Frank Allen. McGraw-Hill, 1931.
MLA (8th ed.) CitationAllen, C.Frank. Railroad Curves and Earth Work - C. Frank Allen. McGraw-Hill, 1931.
Warning: These citations may not always be 100% accurate.