Cita APA (7a ed.)

Burt, M. R., & Cohen, B. E. (1989). America's homeless: Numbers, characteristics, and programs that serve them. UI report.

Cita Chicago Style (17a ed.)

Burt, Martha R., y Barbara E. Cohen. "America's Homeless: Numbers, Characteristics, and Programs That Serve Them." UI Report 1989.

Cita MLA (8a ed.)

Burt, Martha R., y Barbara E. Cohen. "America's Homeless: Numbers, Characteristics, and Programs That Serve Them." UI Report, 1989.