Cita APA (7a ed.)

Wolch, J. R. (1991). Urban homelessness - an agenda for research. Urban geography, 12(2), 99-104.

Cita Chicago Style (17a ed.)

Wolch, J. R. "Urban Homelessness - an Agenda for Research." Urban Geography 12, no. 2 (1991): 99-104.

Cita MLA (9a ed.)

Wolch, J. R. "Urban Homelessness - an Agenda for Research." Urban Geography, vol. 12, no. 2, 1991, pp. 99-104.