APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Iowa, United States, en 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 (8e ed.) Bronvermelding

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