APA način citiranja

Siegel, J. D., & Ko, C. J. (2020). Diltiazem-associated Photodistributed Hyperpigmentation. Yale J Biol Med.

Čikaški stil citiranja

Siegel, Jacob D., i Christine J. Ko. "Diltiazem-associated Photodistributed Hyperpigmentation." Yale J Biol Med 2020.

MLA način citiranja

Siegel, Jacob D., i Christine J. Ko. "Diltiazem-associated Photodistributed Hyperpigmentation." Yale J Biol Med 2020.