APA (7th ed.) Citation

Idzikowski, C. (2019). The expert guide to sleeping well (Revised edition.). Watkins.

Chicago Style (17th ed.) Citation

Idzikowski, Christopher. The Expert Guide to Sleeping Well. Revised edition. London: Watkins, 2019.

MLA (9th ed.) Citation

Idzikowski, Christopher. The Expert Guide to Sleeping Well. Revised edition. Watkins, 2019.

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