Citação norma APA

Ystrom, E., Kendler, K. S., & Reichborn-Kjennerud, T. (2014). Early age of alcohol initiation is not the cause of alcohol use disorders in adulthood, but is a major indicator of genetic risk. A population-based twin study.

Citação norma Chicago

Ystrom, Eivind, Kenneth S. Kendler, and Ted Reichborn-Kjennerud. Early Age of Alcohol Initiation Is Not the Cause of Alcohol Use Disorders in Adulthood, but Is a Major Indicator of Genetic Risk. A Population-based Twin Study. 2014.

Citação norma MLA

Ystrom, Eivind, Kenneth S. Kendler, and Ted Reichborn-Kjennerud. Early Age of Alcohol Initiation Is Not the Cause of Alcohol Use Disorders in Adulthood, but Is a Major Indicator of Genetic Risk. A Population-based Twin Study. 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.