APA način citiranja

Gilbert, C. J., & Koren, G. (2005). Safety of metformin use during the first trimester. College of Family Physicians of Canada.

Čikaški stil citiranja

Gilbert, Cameron J., i Gideon Koren. Safety of Metformin Use During the First Trimester. College of Family Physicians of Canada, 2005.

MLA način citiranja

Gilbert, Cameron J., i Gideon Koren. Safety of Metformin Use During the First Trimester. College of Family Physicians of Canada, 2005.