APA引文

Terry-McElrath, Y. M., O’Malley, P. M., & Johnston, L. D. (2020). Changes in the Order of Cigarette and Marijuana Initiation and Associations with Cigarette Use, Nicotine Vaping, and Marijuana Use: U.S. 12th Grade Students, 2000–2019. Prev Sci.

Citação norma Chicago

Terry-McElrath, Yvonne M., Patrick M. O’Malley, and Lloyd D. Johnston. "Changes in the Order of Cigarette and Marijuana Initiation and Associations With Cigarette Use, Nicotine Vaping, and Marijuana Use: U.S. 12th Grade Students, 2000–2019." Prev Sci 2020.

MLA引文

Terry-McElrath, Yvonne M., Patrick M. O’Malley, and Lloyd D. Johnston. "Changes in the Order of Cigarette and Marijuana Initiation and Associations With Cigarette Use, Nicotine Vaping, and Marijuana Use: U.S. 12th Grade Students, 2000–2019." Prev Sci 2020.