Cita APA (7a ed.)

United State. National Cancer Institute. (1998). Cigars: Health effects and trends. Departament of Health and Human Services, Public Health Service, National Institus of Health.

Cita Chicago Style (17a ed.)

United State. National Cancer Institute. Cigars: Health Effects and Trends. U.S: Departament of Health and Human Services, Public Health Service, National Institus of Health, 1998.

Cita MLA (9a ed.)

United State. National Cancer Institute. Cigars: Health Effects and Trends. Departament of Health and Human Services, Public Health Service, National Institus of Health, 1998.