APA način citiranja

Khan, Y., & Heckmatt, J. Z. (1994). Obstructive apnoeas in Duchenne muscular dystrophy.

Čikaški stil citiranja

Khan, Y., i J. Z. Heckmatt. Obstructive Apnoeas in Duchenne Muscular Dystrophy. 1994.

MLA način citiranja

Khan, Y., i J. Z. Heckmatt. Obstructive Apnoeas in Duchenne Muscular Dystrophy. 1994.