APA-referens (7:e uppl.)

Lieb, H. (1888). The protective tariff: What it does to us! (4th and rev. ed.). Belford, Clarke.

Chicago-referens (17:e uppl.)

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Chicago: Belford, Clarke, 1888.

MLA-referens (8:e uppl.)

Lieb, Hermann. The Protective Tariff: What It Does to Us! 4th and rev. ed. Belford, Clarke, 1888.