APA (7th ed.) Citation

Mills, R., & Long, S. H. (1827). Three papers on rail-roads. [publisher not identified].

Chicago Style (17th ed.) Citation

Mills, Robert, and Stephen H. Long. Three Papers on Rail-roads. [U.S.]: [publisher not identified], 1827.

MLA (9th ed.) Citation

Mills, Robert, and Stephen H. Long. Three Papers on Rail-roads. [publisher not identified], 1827.