APA (7th ed.) Citation

Ruth Pretty. (2006). Ruth Pretty's Favourite Recipes. Penguin Books.

Chicago Style (17th ed.) Citation

Ruth Pretty. Ruth Pretty's Favourite Recipes. UK: Penguin Books, 2006.

MLA (9th ed.) Citation

Ruth Pretty. Ruth Pretty's Favourite Recipes. Penguin Books, 2006.

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