Jordan, L. C. (1913). The practical railway spiral: With short working formulas and full tables of deflection angles: complete notes of illustrative examples. D. Van Nostrand company.
Chicago Style (17th ed.) CitationJordan, Leonard Crouch. The Practical Railway Spiral: With Short Working Formulas and Full Tables of Deflection Angles: Complete Notes of Illustrative Examples. New York: D. Van Nostrand company, 1913.
MLA (9th ed.) CitationJordan, Leonard Crouch. The Practical Railway Spiral: With Short Working Formulas and Full Tables of Deflection Angles: Complete Notes of Illustrative Examples. D. Van Nostrand company, 1913.
Warning: These citations may not always be 100% accurate.