Hedman<sup>+<sup>, L., Lyytinen<sup>+<sup>, G., Backman, H., Lundbäck, M., Stridsman, C., Lindberg, A., . . . Ekerljung, L. Electronic cigarette use in relation to changes in smoking status and respiratory symptoms. European Publishing.
Chicago Style (17th ed.) CitationHedman<sup>+<sup>, Linnéa, et al. Electronic Cigarette Use in Relation to Changes in Smoking status and Respiratory Symptoms. European Publishing.
MLA (9th ed.) CitationHedman<sup>+<sup>, Linnéa, et al. Electronic Cigarette Use in Relation to Changes in Smoking status and Respiratory Symptoms. European Publishing.
Warning: These citations may not always be 100% accurate.