APA (7th ed.) Citation

Clayton, N. (2011). A butler's guide to entertaining Nicholas Clayton. National Trust Books.

Chicago Style (17th ed.) Citation

Clayton, Nicholas. A Butler's Guide to Entertaining Nicholas Clayton. London: National Trust Books, 2011.

MLA (9th ed.) Citation

Clayton, Nicholas. A Butler's Guide to Entertaining Nicholas Clayton. National Trust Books, 2011.

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