APA (7th ed.) Citation

Sitwell, S., & Smith, E. (1961). Great houses of Europe. Putnam.

Chicago Style (17th ed.) Citation

Sitwell, Sacheverell, and Edwin Smith. Great Houses of Europe. New York: Putnam, 1961.

MLA (9th ed.) Citation

Sitwell, Sacheverell, and Edwin Smith. Great Houses of Europe. Putnam, 1961.

Warning: These citations may not always be 100% accurate.