APA Style

Crawford, A., L’Hoiry, X. (2019). Chapter 4 Boundary crossing networked policing and emergent ‘communities of practice’ in safeguarding children . : Taylor & Francis.

MLA Style

Crawford, Adam., L’Hoiry, Xavier. "Chapter 4 Boundary crossing networked policing and emergent ‘communities of practice’ in safeguarding children". : Taylor & Francis, 2019. Text.