APA (7th ed.) Citation

Blumentritt, C. W. (1981). Travel information data acquisition system (TRIDAQS) users manual. Texas Transportation Institute ; National Technical Information Service.

Chicago Style (17th ed.) Citation

Blumentritt, C. W. Travel Information Data Acquisition System (TRIDAQS) Users Manual. College Station, Tex. : Springfield, Va.: Texas Transportation Institute ; National Technical Information Service, 1981.

MLA (9th ed.) Citation

Blumentritt, C. W. Travel Information Data Acquisition System (TRIDAQS) Users Manual. Texas Transportation Institute ; National Technical Information Service, 1981.