एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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