APA (7th ed.) Citation

Davies, H. (2019). Happy old me: How to live long and really, really enjoy it. Simon and Schuster (UK) Ltd..

Chicago Style (17th ed.) Citation

Davies, Hunter. Happy Old Me: How to Live Long and Really, Really Enjoy It. London: Simon and Schuster (UK) Ltd., 2019.

MLA (9th ed.) Citation

Davies, Hunter. Happy Old Me: How to Live Long and Really, Really Enjoy It. Simon and Schuster (UK) Ltd., 2019.