APA (7th ed.) Citation

Trevor-Roper, H. R., & Davenport-Hines, R. P. T. (2014). The wartime journals. I.B. Tauris.

Chicago Style (17th ed.) Citation

Trevor-Roper, H. R., and R. P. T. Davenport-Hines. The Wartime Journals. London ; New York: I.B. Tauris, 2014.

MLA (9th ed.) Citation

Trevor-Roper, H. R., and R. P. T. Davenport-Hines. The Wartime Journals. I.B. Tauris, 2014.