Snow, D. A., & Anderson, L. (1993). Down on their luck: A study of homeless street people. University of California Press.

Snow, David A., and Leon Anderson. Down on Their Luck: A Study of Homeless Street People. Berkeley: University of California Press, 1993.

Snow, David A., and Leon Anderson. Down on Their Luck: A Study of Homeless Street People. University of California Press, 1993.