APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (8th ed.) Citation

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