APA (7th ed.) Citation

Sivertsen, B., Pallesen, S., Friborg, O., Nilsen, K. B., Bakke, Ø., Goll, J. B., & Hopstock, L. A. (2020). Sleep patterns and insomnia in a large population-based study of middle-aged and older adults: The Tromsø study 2015–2016. Journal of Sleep Research, 30(1), .

Chicago Style (17th ed.) Citation

Sivertsen, Børge, Ståle Pallesen, Oddgeir Friborg, Kristian Bernhard Nilsen, Øystein Bakke, Jonas Bjørnskov Goll, and Laila Arnesdatter Hopstock. "Sleep Patterns and Insomnia in a Large Population-based Study of Middle-aged and Older Adults: The Tromsø Study 2015–2016." Journal of Sleep Research 30, no. 1 (2020).

MLA (9th ed.) Citation

Sivertsen, Børge, et al. "Sleep Patterns and Insomnia in a Large Population-based Study of Middle-aged and Older Adults: The Tromsø Study 2015–2016." Journal of Sleep Research, vol. 30, no. 1, 2020.