APA-referens

Collier, R. (2017). Minors buy e-cigs online with ease. What about pot? CMAJ.

Chicago-stil citat

Collier, Roger. "Minors Buy E-cigs Online With Ease. What About Pot?" CMAJ 2017.

MLA-referens

Collier, Roger. "Minors Buy E-cigs Online With Ease. What About Pot?" CMAJ 2017.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.