If you want to search for research on citizen science in, for example, Andor, try with terms:
Check out the peer-reviewed articles on citizen science in Andor search service:
Title search with "citizen science" (available online)
You can narrow the search down from the left-hand menu, e.g. by publication date or subject.
Books from elsewhere:
Citizen science and scientific crowdsourcing: an introduction - free online course on basics of citizen science (UCL, London's global university)
Citizen Science Training Modules - free online courses by SciStarter (Arizona State University)
The eu.citizen.science platform's Training resources - free online courses (MOOCs), webinars and events; the platform is funded by the European Union