APA (7th ed.) Citation

Levi, F., Lucchini, F., Negri, E., & La Vecchia, C. (2004). Suicide mortality in adolescents and young adults, 1980-1999.

Chicago Style (17th ed.) Citation

Levi, Fabio, Franca Lucchini, Eva Negri, and Carlo La Vecchia. Suicide Mortality in Adolescents and Young Adults, 1980-1999. 2004.

MLA (9th ed.) Citation

Levi, Fabio, et al. Suicide Mortality in Adolescents and Young Adults, 1980-1999. 2004.