APA (7th ed.) Citation

AI, G., R, B., J, N., TS, D., MS, B., M, D., . . . M, v. d. A. (2021). Everyday lives of middle-aged persons living with multimorbidity: Protocol of a mixed-methods systematic review. BMJ open, 11(12), e050990. https://doi.org/10.1136/bmjopen-2021-050990

Chicago Style (17th ed.) Citation

AI, Gonzalez-Gonzalez, Brünn R, Nothacker J, Dinh TS, Brueckle MS, Dieckelmann M, Müller BS, and van den Akker M. "Everyday Lives of Middle-aged Persons Living with Multimorbidity: Protocol of a Mixed-methods Systematic Review." BMJ Open 11, no. 12 (2021): e050990. https://doi.org/10.1136/bmjopen-2021-050990.

MLA (9th ed.) Citation

AI, Gonzalez-Gonzalez, et al. "Everyday Lives of Middle-aged Persons Living with Multimorbidity: Protocol of a Mixed-methods Systematic Review." BMJ Open, vol. 11, no. 12, 2021, p. e050990, https://doi.org/10.1136/bmjopen-2021-050990.