APA (7th ed.) Citation

Koprivnikar Helena & Korošec Aleš. (2015). Age at Smoking Initiation in Slovenia. Sciendo.

Chicago Style (17th ed.) Citation

Koprivnikar Helena and Korošec Aleš. Age at Smoking Initiation in Slovenia. Sciendo, 2015.

MLA (9th ed.) Citation

Koprivnikar Helena and Korošec Aleš. Age at Smoking Initiation in Slovenia. Sciendo, 2015.

Warning: These citations may not always be 100% accurate.