Heigl, F., Kieslinger, B., Paul, K. T., Uhlik, J., & Dörler, D. (2019). Opinion: Toward an international definition of citizen science. Proc Natl Acad Sci U S A.
استشهاد بنمط شيكاغوHeigl, Florian, Barbara Kieslinger, Katharina T. Paul, Julia Uhlik, و Daniel Dörler. "Opinion: Toward an International Definition of Citizen Science." Proc Natl Acad Sci U S A 2019.
MLA استشهادHeigl, Florian, et al. "Opinion: Toward an International Definition of Citizen Science." Proc Natl Acad Sci U S A 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.