APA (7th ed.) Citation

EE, P., KJ, C., TA, I., JM, B., LF, M., & PR, P. (2021). COVID-19 messaging in U.S. state parks: Extensions of the outdoor recreation strategies and practices framework unmasked by the pandemic. Journal of outdoor recreation and tourism, 36, 100449. https://doi.org/10.1016/j.jort.2021.100449

Chicago Style (17th ed.) Citation

EE, Perry, Coleman KJ, Iretskaia TA, Baer JM, Magnus LF, and Pettengill PR. "COVID-19 Messaging in U.S. State Parks: Extensions of the Outdoor Recreation Strategies and Practices Framework Unmasked by the Pandemic." Journal of Outdoor Recreation and Tourism 36 (2021): 100449. https://doi.org/10.1016/j.jort.2021.100449.

MLA (9th ed.) Citation

EE, Perry, et al. "COVID-19 Messaging in U.S. State Parks: Extensions of the Outdoor Recreation Strategies and Practices Framework Unmasked by the Pandemic." Journal of Outdoor Recreation and Tourism, vol. 36, 2021, p. 100449, https://doi.org/10.1016/j.jort.2021.100449.