Orr, L. (1990). The homeless: Opposing viewpoints. Greenhaven Pr.
Cita Chicago Style (17a ed.)Orr, Lisa. The Homeless: Opposing Viewpoints. San Diego, Calif: Greenhaven Pr, 1990.
Cita MLA (8a ed.)Orr, Lisa. The Homeless: Opposing Viewpoints. Greenhaven Pr, 1990.
Precaución: Estas citas no son 100% exactas.