APA (7th ed.) Citation

Guðmundsdóttir, Þ. Á., James, D. E., & Akureyri, H. á. (2020). Are elderly people in Iceland less likely than younger people to report seasonal variations of mood, sleep, and weight?: Age and seasonality in Iceland.

Chicago Style (17th ed.) Citation

Guðmundsdóttir, Þórdís Ása, Dominique Elísabet James, and Háskólinn á Akureyri. Are Elderly People in Iceland Less Likely than Younger People to Report Seasonal Variations of Mood, Sleep, and Weight?: Age and Seasonality in Iceland. 2020.

MLA (9th ed.) Citation

Guðmundsdóttir, Þórdís Ása, et al. Are Elderly People in Iceland Less Likely than Younger People to Report Seasonal Variations of Mood, Sleep, and Weight?: Age and Seasonality in Iceland. 2020.

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