Cita APA (7th ed.)

Nicolson, N. (1978). Portrait of a marriage: Nigel Nicolson. Futura.

Cita Chicago (17th ed.)

Nicolson, Nigel. Portrait of a Marriage: Nigel Nicolson. London: Futura, 1978.

Cita MLA (8th ed.)

Nicolson, Nigel. Portrait of a Marriage: Nigel Nicolson. Futura, 1978.