APA (7th ed.) Citation

Grayling, A. C. (2006). The heart of things: Applying philosophy to the 21st century (1st publ.). Phoenix.

Chicago Style (17th ed.) Citation

Grayling, A. C. The Heart of Things: Applying Philosophy to the 21st Century. 1st publ. London: Phoenix, 2006.

MLA (9th ed.) Citation

Grayling, A. C. The Heart of Things: Applying Philosophy to the 21st Century. 1st publ. Phoenix, 2006.

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