Dependency trees like the one here can be found in, for instance, Osborne, Putnam & Groß (2012). Osborne, T.; Putnam, M.; Groß, T. (2012). "Catenae: Introducing a novel unit of syntactic analysis". Syntax. 15 (4): 354–396. doi:10.1111/j.1467-9612.2012.00172.x.