Theophanes, Chronographia 93. The Chronicle of Theophanes Confessor: Byzantine and Near Eastern History, A.D. 284–813, trans. and commentary Cyril Mango and Roger Scott, with Geoffrey Greatrex (Oxford: Clarendon, 1997). There is no modern edition or translation of Cedrenus. You find the Greek text in Charles A. Fabrot, ed., Patrologiae Graeca 121 (1857). (cf. Cedrenus, Compendium Historiarum).