APA (7th ed.) Citation

Idaho State Historical Society. (1959). Idaho highway historical markers. Idaho Historical Society.

Chicago Style (17th ed.) Citation

Idaho State Historical Society. Idaho Highway Historical Markers. Boise, Idaho: Idaho Historical Society, 1959.

MLA (8th ed.) Citation

Idaho State Historical Society. Idaho Highway Historical Markers. Idaho Historical Society, 1959.

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