Armstrong, J. H. (1998). The railroad: What it is, what it does ; the introduction to railroading (4. ed., 2. print.). Simmons-Boardman Books.
Chicago Style (17th ed.) CitationArmstrong, John H. The Railroad: What It Is, What It Does ; the Introduction to Railroading. 4. ed., 2. print. Omaha: Simmons-Boardman Books, 1998.
MLA (9th ed.) CitationArmstrong, John H. The Railroad: What It Is, What It Does ; the Introduction to Railroading. 4. ed., 2. print. Simmons-Boardman Books, 1998.
Warning: These citations may not always be 100% accurate.