APA-referens (7:e uppl.)

Greely, H. (1843). The American laborer. Greeley & McElrath.

Chicago-referens (17:e uppl.)

Greely, Horace. The American Laborer. New-York: Greeley & McElrath, 1843.

MLA-referens (8:e uppl.)

Greely, Horace. The American Laborer. Greeley & McElrath, 1843.