APA (7th ed.) Citation

Nicolson, N., & Sackville-West, V. (2004). Portrait of a marriage (Ninth impression 2004.). Phoenix.

Chicago Style (17th ed.) Citation

Nicolson, Nigel, and V. Sackville-West. Portrait of a Marriage. Ninth impression 2004. London: Phoenix, 2004.

MLA (9th ed.) Citation

Nicolson, Nigel, and V. Sackville-West. Portrait of a Marriage. Ninth impression 2004. Phoenix, 2004.