Citação norma APA

Iowa, United States, & United States. (1947). The constitution of the state of Iowa, the Declaration of Independence, the Constitution of the United States. State of Iowa.

Citação norma Chicago

Iowa, United States, and United States. The Constitution of the State of Iowa, the Declaration of Independence, the Constitution of the United States. Des Moines: State of Iowa, 1947.

Citação norma MLA

Iowa, et al. The Constitution of the State of Iowa, the Declaration of Independence, the Constitution of the United States. State of Iowa, 1947.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.