APA (7th ed.) Citation

Iowa. (1972). Constitution of the State of Iowa. [publisher not identified].

Chicago Style (17th ed.) Citation

Iowa. Constitution of the State of Iowa. [Des Moines?]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Iowa. Constitution of the State of Iowa. [publisher not identified], 1972.

Warning: These citations may not always be 100% accurate.