APA

,, . (1992). The incidence of crack in North America and European cities. Strasbourg: Council of Europe.

Chicago

,, . 1992. The incidence of crack in North America and European cities. Strasbourg: Council of Europe.

Harvard

,, . (1992). The incidence of crack in North America and European cities. Strasbourg: Council of Europe.

MLA

,, . The incidence of crack in North America and European cities. Strasbourg: Council of Europe. 1992.