APA引文

Appell, J. (2004). Nonlinear spectral theory. Walter de Gruyter.

Chicago Edition Citation

Appell, Jurgen. Nonlinear Spectral Theory. New York: Walter de Gruyter, 2004.

MLA引文

Appell, Jurgen. Nonlinear Spectral Theory. Walter de Gruyter, 2004.

警告：這些引文格式不一定是100％准確.