APA (7th ed.) Citation

Watkins, L. H. (1981). Environmental impact of roads and traffic. Applied Science Publishers.

Chicago Style (17th ed.) Citation

Watkins, L. H. Environmental Impact of Roads and Traffic. London: Applied Science Publishers, 1981.

MLA (9th ed.) Citation

Watkins, L. H. Environmental Impact of Roads and Traffic. Applied Science Publishers, 1981.

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