APA-referens (7:e uppl.)

Judah, T. D. (1857). A practical plan for building the Pacific railroad. H. Polkinhorn, Print..

Chicago-referens (17:e uppl.)

Judah, Theodore D. A Practical Plan for Building the Pacific Railroad. Washington: H. Polkinhorn, Print., 1857.

MLA-referens (8:e uppl.)

Judah, Theodore D. A Practical Plan for Building the Pacific Railroad. H. Polkinhorn, Print., 1857.