APA (7th ed.) Citation

Campbell, M. E. (1947). Toll bridge influence on highway traffic operation. [publisher not identified].

Chicago Style (17th ed.) Citation

Campbell, M. Earl. Toll Bridge Influence on Highway Traffic Operation. [New Haven]: [publisher not identified], 1947.

MLA (9th ed.) Citation

Campbell, M. Earl. Toll Bridge Influence on Highway Traffic Operation. [publisher not identified], 1947.

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