APA (7th ed.) Citation

Ingram, G. W., Ingram, H. L., Ingram, M. F., & Schultz, C. R. (1973). Civil War letters of George W. and Martha F. Ingram, 1861-1865. Texas A & M University.

Chicago Style (17th ed.) Citation

Ingram, George W., Henry L. Ingram, Martha F. Ingram, and Charles R. Schultz. Civil War Letters of George W. and Martha F. Ingram, 1861-1865. College Station: Texas A & M University, 1973.

MLA (9th ed.) Citation

Ingram, George W., et al. Civil War Letters of George W. and Martha F. Ingram, 1861-1865. Texas A & M University, 1973.