@article{Johnson2001,
author = {Johnson, M.K. and Crosnoe, R. and Elder Jr., G.H.},
title= {Students' attachment and academic engagement: The role of race and ethnicity},
year = {2001},
doi = {10.2307/2673138},
journal = {Sociology of Education},
volume = {74},
number = {4},
pages = {318--340},
}