APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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