APA引文

Haack, W. (1972). Lectures on partial differential equations. Pergamon press.

Chicago Edition Citation

Haack, Wolfgang. Lectures on Partial Differential Equations. Oxford: Pergamon press, 1972.

MLA引文

Haack, Wolfgang. Lectures on Partial Differential Equations. Pergamon press, 1972.

警告：這些引文格式不一定是100％准確.