APA (7th ed.) Citation

Hauri, P. (1990). No more sleepless nights. Wiley.

Chicago Style (17th ed.) Citation

Hauri, Peter. No More Sleepless Nights. New York, NY [u.a.]: Wiley, 1990.

MLA (9th ed.) Citation

Hauri, Peter. No More Sleepless Nights. Wiley, 1990.