APA-referens (7:e uppl.)

Douglas, E. A. (1854). Engineer's report. [printer to the state].

Chicago-referens (17:e uppl.)

Douglas, Edwin A. Engineer's Report. [Raleigh]: [printer to the state], 1854.

MLA-referens (8:e uppl.)

Douglas, Edwin A. Engineer's Report. [printer to the state], 1854.