APA način citiranja

Karjalainen, J., Kujala, U. M., Kaprio, J., Sarna, S., & Viitasalo, M. (1998). Lone atrial fibrillation in vigorously exercising middle aged men: Case-control study. British Medical Journal.

Čikaški stil citiranja

Karjalainen, Jouko, Urho M. Kujala, Jaakko Kaprio, Seppo Sarna, i Matti Viitasalo. Lone Atrial Fibrillation in Vigorously Exercising Middle Aged Men: Case-control Study. British Medical Journal, 1998.

MLA način citiranja

Karjalainen, Jouko, et al. Lone Atrial Fibrillation in Vigorously Exercising Middle Aged Men: Case-control Study. British Medical Journal, 1998.