Cita APA (7th ed.)

Sitwell, S., & Smith, E. (1964). Great houses of Europe. Spring Books.

Cita Chicago (17th ed.)

Sitwell, Sacheverell, i Edwin Smith. Great Houses of Europe. London: Spring Books, 1964.

Cita MLA (9th ed.)

Sitwell, Sacheverell, i Edwin Smith. Great Houses of Europe. Spring Books, 1964.