APA način citiranja

Randem, B., Ulvestad, B., Burstyn, I., & Kongerud, J. (2004). Respiratory symptoms and airflow limitation in asphalt workers. BMJ Group.

Čikaški stil citiranja

Randem, B., B. Ulvestad, I. Burstyn, i J. Kongerud. Respiratory Symptoms and Airflow Limitation in Asphalt Workers. BMJ Group, 2004.

MLA način citiranja

Randem, B., B. Ulvestad, I. Burstyn, i J. Kongerud. Respiratory Symptoms and Airflow Limitation in Asphalt Workers. BMJ Group, 2004.