APA (7th ed.) Citation

CT, C., JJL, R., WK, C., AGB, P., & RE, M. (2019). Improving big citizen science data: Moving beyond haphazard sampling. PLoS biology, 17(6), e3000357. https://doi.org/10.1371/journal.pbio.3000357

Chicago Style (17th ed.) Citation

CT, Callaghan, Rowley JJL, Cornwell WK, Poore AGB, and Major RE. "Improving Big Citizen Science Data: Moving Beyond Haphazard Sampling." PLoS Biology 17, no. 6 (2019): e3000357. https://doi.org/10.1371/journal.pbio.3000357.

MLA (9th ed.) Citation

CT, Callaghan, et al. "Improving Big Citizen Science Data: Moving Beyond Haphazard Sampling." PLoS Biology, vol. 17, no. 6, 2019, p. e3000357, https://doi.org/10.1371/journal.pbio.3000357.