APA način citiranja

Ruhl, C. E., & Everhart, J. E. (2012). Upper Limits of Normal for Alanine Aminotransferase Activity in the United States Population.

Čikaški stil citiranja

Ruhl, Constance E., i James E. Everhart. Upper Limits of Normal for Alanine Aminotransferase Activity in the United States Population. 2012.

MLA način citiranja

Ruhl, Constance E., i James E. Everhart. Upper Limits of Normal for Alanine Aminotransferase Activity in the United States Population. 2012.