APA (7th ed.) Citation

Hobbs, F. D. (1967). Traffic engineering ([1st ed.].). New York Pergamon Press.

Chicago Style (17th ed.) Citation

Hobbs, F. D. Traffic Engineering. [1st ed.]. Oxford: New York Pergamon Press, 1967.

MLA (9th ed.) Citation

Hobbs, F. D. Traffic Engineering. [1st ed.]. New York Pergamon Press, 1967.