APA (7th ed.) Citation

PC, E., G, M., C, D., M, P., J, G., J, P., . . . D, M. (2021). Aspirin and cancer survival: A systematic review and meta-analyses of 118 observational studies of aspirin and 18 cancers. Ecancermedicalscience, 15, 1258. https://doi.org/10.3332/ecancer.2021.1258

Chicago Style (17th ed.) Citation

PC, Elwood, Morgan G, Delon C, Protty M, Galante J, Pickering J, Watkins J, Weightman A, and Morris D. "Aspirin and Cancer Survival: A Systematic Review and Meta-analyses of 118 Observational Studies of Aspirin and 18 Cancers." Ecancermedicalscience 15 (2021): 1258. https://doi.org/10.3332/ecancer.2021.1258.

MLA (9th ed.) Citation

PC, Elwood, et al. "Aspirin and Cancer Survival: A Systematic Review and Meta-analyses of 118 Observational Studies of Aspirin and 18 Cancers." Ecancermedicalscience, vol. 15, 2021, p. 1258, https://doi.org/10.3332/ecancer.2021.1258.