APA (7th ed.) Citation

Liu, W., & Scullion, T. (2001). Flexible pavement design system FPS 19W: User's manual. Texas Transportation Institute, Texas A&M University System ; Available through the National Technical Information Service.

Chicago Style (17th ed.) Citation

Liu, Wenting, and Thomas Scullion. Flexible Pavement Design System FPS 19W: User's Manual. College Station, TX : Springfield, Va.: Texas Transportation Institute, Texas A&M University System ; Available through the National Technical Information Service, 2001.

MLA (9th ed.) Citation

Liu, Wenting, and Thomas Scullion. Flexible Pavement Design System FPS 19W: User's Manual. Texas Transportation Institute, Texas A&M University System ; Available through the National Technical Information Service, 2001.

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