APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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