APA (7e ed.) Bronvermelding
ElSohly, M., & et al. (2020). Changes in cannabis potency over the last 2 decades (1995–2014): Analysis of current data in the United States.
Chicago (17e ed.) Bronvermelding
ElSohly, M.A, en et al. Changes in Cannabis Potency over the Last 2 Decades (1995–2014): Analysis of Current Data in the United States. 2020.
MLA (9e ed.) Bronvermelding
ElSohly, M.A, en et al. Changes in Cannabis Potency over the Last 2 Decades (1995–2014): Analysis of Current Data in the United States. 2020.
Let op: Deze citaties zijn niet altijd 100% accuraat.