Citazione Stile APA (7a Edizione)
Northrup, C. C., & Turney, E. C. P. Encyclpedia of Tariffs and Trade in U.S. History: The Texts of Tariffs. Greenwood.
Citazione stile Chigago Style (17a edizione)
Northrup, Cynthia Clark, e Elaine C. Prange Turney. Encyclpedia of Tariffs and Trade in U.S. History: The Texts of Tariffs. Westport, EUA: Greenwood.
Citatione MLA (9a ed.)
Northrup, Cynthia Clark, e Elaine C. Prange Turney. Encyclpedia of Tariffs and Trade in U.S. History: The Texts of Tariffs. Greenwood.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.