APA Citation

Seamark, C. J., & Gray, D. J. (1998). Teenagers and risk-taking: Pregnancy and smoking.

Citação norma Chicago

Seamark, C J., and D J. Gray. Teenagers and Risk-taking: Pregnancy and Smoking. 1998.

MLA Citation

Seamark, C J., and D J. Gray. Teenagers and Risk-taking: Pregnancy and Smoking. 1998.

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