APA-viite

Morain, S. R., & Malek, J. (2017). Minimum Age of Sale for Tobacco Products and Electronic Cigarettes: Ethical Acceptability of US “Tobacco 21 Laws”. Am J Public Health.

Chicago-tyylinen lähdeviittaus

Morain, Stephanie Rubino, ja Janet Malek. "Minimum Age of Sale for Tobacco Products and Electronic Cigarettes: Ethical Acceptability of US “Tobacco 21 Laws”." Am J Public Health 2017.

MLA-viite

Morain, Stephanie Rubino, ja Janet Malek. "Minimum Age of Sale for Tobacco Products and Electronic Cigarettes: Ethical Acceptability of US “Tobacco 21 Laws”." Am J Public Health 2017.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.