APA (7th ed.) Citation

Cook, R., Barney, W. L., & Varon, E. R. (2013). Secession winter: When the Union fell apart. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Cook, Robert, William L. Barney, and Elizabeth R. Varon. Secession Winter: When the Union Fell Apart. Baltimore: Johns Hopkins University Press, 2013.

MLA (9th ed.) Citation

Cook, Robert, et al. Secession Winter: When the Union Fell Apart. Johns Hopkins University Press, 2013.