APA Edition Citation

Grayling, A. C. (2015). Challenge of things: Thinking through troubled times. Bloomsbury.

Chicago Edition Citation

Grayling, A. C. Challenge of Things: Thinking Through Troubled Times. London: Bloomsbury, 2015.

MLA Edition Citation

Grayling, A. C. Challenge of Things: Thinking Through Troubled Times. Bloomsbury, 2015.

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