APA   Click to copy
Snyder, T., Ravenhurst, J., Cramer, E. Y., Reich, N. G., Balzer, L., Alfandari, D., & Lover, A. A. (2021). Serological surveys to estimate cumulative incidence of SARS-CoV-2 infection in adults (Sero-MAss study), Massachusetts, July--August 2020: a mail-based cross-sectional study. BMJ Open, 11, e051157. https://doi.org/doi:10.1136/bmjopen-2021-051157

Chicago/Turabian   Click to copy
Snyder, Teah, Johanna Ravenhurst, Estee Y Cramer, Nicholas G Reich, Laura Balzer, Dominique Alfandari, and Andrew A Lover. “Serological Surveys to Estimate Cumulative Incidence of SARS-CoV-2 Infection in Adults (Sero-MAss Study), Massachusetts, July--August 2020: a Mail-Based Cross-Sectional Study.” BMJ open 11 (2021): e051157.

MLA   Click to copy
Snyder, Teah, et al. “Serological Surveys to Estimate Cumulative Incidence of SARS-CoV-2 Infection in Adults (Sero-MAss Study), Massachusetts, July--August 2020: a Mail-Based Cross-Sectional Study.” BMJ Open, vol. 11, 2021, p. e051157, doi:doi:10.1136/bmjopen-2021-051157.

@article{snyder2021a,
  title = {Serological surveys to estimate cumulative incidence of SARS-CoV-2 infection in adults (Sero-MAss study), Massachusetts, July--August 2020: a mail-based cross-sectional study},
  year = {2021},
  journal = {BMJ open},
  pages = {e051157},
  volume = {11},
  doi = {doi:10.1136/bmjopen-2021-051157},
  author = {Snyder, Teah and Ravenhurst, Johanna and Cramer, Estee Y and Reich, Nicholas G and Balzer, Laura and Alfandari, Dominique and Lover, Andrew A}
}