Style de citation APA (7e éd.)

Halsøy, Ø., Johnson, S. U., Johnson, S. U., Hoffart, A., Hoffart, A., Ebrahimi, O. V., & Ebrahimi, O. V. (2021). Insomnia Symptoms in the General Population During the COVID-19 Pandemic. Frontiers Media S.A.

Style de citation Chicago (17e éd.)

Halsøy, Øyvind, Sverre Urnes Johnson, Sverre Urnes Johnson, Asle Hoffart, Asle Hoffart, Omid V. Ebrahimi, et Omid V. Ebrahimi. Insomnia Symptoms in the General Population During the COVID-19 Pandemic. Frontiers Media S.A, 2021.

Style de citation MLA (8e éd.)

Halsøy, Øyvind, et al. Insomnia Symptoms in the General Population During the COVID-19 Pandemic. Frontiers Media S.A, 2021.