Citazione APA

Johnson, L. S. M. (2011). Concussion in youth ice hockey: It’s time to break the cycle. Canadian Medical Association.

Stile di citazione Chicago

Johnson, L. Syd M. Concussion in Youth Ice Hockey: It’s Time to Break the Cycle. Canadian Medical Association, 2011.

Citazione MLA

Johnson, L. Syd M. Concussion in Youth Ice Hockey: It’s Time to Break the Cycle. Canadian Medical Association, 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.