APA引文

Struwe, M. (1990). Variational methods. Springer-Verlag.

Chicago Edition Citation

Struwe, Michael. Variational Methods. Berlin: Springer-Verlag, 1990.

MLA引文

Struwe, Michael. Variational Methods. Springer-Verlag, 1990.

警告：這些引文格式不一定是100％准確.