APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.