Fagan, Jay, Kevin Roy, Rob Palkovitz, and Danielle Farrie. 2009. “Pathways to Paternal Engagement: Longitudinal Effects of Cumulative Risk and Resilience on Nonresident Fathers”. Developmental Psychology 45 (5): 1389-1405. Referenced from psycnet.apa.org: Pathways to Paternal Engagement: Longitudinal Effects of Cumulative Risk and Resilience on Nonresident Fathers.