APA Citation

(1951). Pennsylvania turnpike system: The world's greatest highway. Harrisburg, Pa.: Pennsylvania Turnpike Commission.

Chicago Style Citation

Pennsylvania Turnpike System: The World's Greatest Highway. Harrisburg, Pa.: Pennsylvania Turnpike Commission, 1951.

MLA Citation

Pennsylvania Turnpike System: The World's Greatest Highway. Harrisburg, Pa.: Pennsylvania Turnpike Commission, 1951.

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