Cita APA

Roemer, R., & Roemer, R. (1982). Legislative action to combat the world smoking epidemic. Geneva: World Health Organization.

Citación estilo Chicago

Roemer, Ruth, y Ruth Roemer. Legislative Action to Combat the World Smoking Epidemic. Geneva: World Health Organization, 1982.

Cita MLA

Roemer, Ruth, y Ruth Roemer. Legislative Action to Combat the World Smoking Epidemic. Geneva: World Health Organization, 1982.