Library of Congress. Legislative Reference Service & Tansill, C. C. (1927). Documents illustrative of the formation of the union of the American states. G.P.O..
Citação norma ChicagoLibrary of Congress. Legislative Reference Service and Charles Callan Tansill. Documents Illustrative of the Formation of the Union of the American States. Washington: G.P.O., 1927.
Citação norma MLALibrary of Congress. Legislative Reference Service and Charles Callan Tansill. Documents Illustrative of the Formation of the Union of the American States. G.P.O., 1927.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.