APA (7th ed.) Citation

Ingram, L. L., & Butler, H. D. (1970). Prestressed concrete bridge girder design program. Texas Transportation Institute, Texas A & M University.

Chicago Style (17th ed.) Citation

Ingram, Leonard L., and H. D. Butler. Prestressed Concrete Bridge Girder Design Program. College Station: Texas Transportation Institute, Texas A & M University, 1970.

MLA (9th ed.) Citation

Ingram, Leonard L., and H. D. Butler. Prestressed Concrete Bridge Girder Design Program. Texas Transportation Institute, Texas A & M University, 1970.