Cita APA (7th ed.)
WILLIAMS, S., & ALLEN, I. (1992). HEALTH CARE FOR SINGLE HOMELESS PEOPLE. POLICY STUDIES INSTITUTE.
Cita Chicago (17th ed.)
WILLIAMS, S., i I. ALLEN. HEALTH CARE FOR SINGLE HOMELESS PEOPLE. Londres: POLICY STUDIES INSTITUTE, 1992.
Cita MLA (9th ed.)
WILLIAMS, S., i I. ALLEN. HEALTH CARE FOR SINGLE HOMELESS PEOPLE. POLICY STUDIES INSTITUTE, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.