Cita APA (7th ed.)

Nicolson, S. H. G., & Nicolson, N. (1966). Diaries and letters, 1930-1939. Atheneum.

Cita Chicago (17th ed.)

Nicolson, Sir Harold George, i Nigel Nicolson. Diaries and Letters, 1930-1939. New York: Atheneum, 1966.

Cita MLA (9th ed.)

Nicolson, Sir Harold George, i Nigel Nicolson. Diaries and Letters, 1930-1939. Atheneum, 1966.