APA način citiranja

F Hefts. (1991). Growth factors and alzheimer's disease. Berlin: Spring-Verlag.

Čikaški stil citiranja

F Hefts. Growth Factors and Alzheimer's Disease. Berlin: Spring-Verlag, 1991.

MLA način citiranja

F Hefts. Growth Factors and Alzheimer's Disease. Berlin: Spring-Verlag, 1991.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.