APA استشهاد

Springer, G. (1957). Introduction to riemann surfaces. Addison-Wesley.

استشهاد بنمط شيكاغو

Springer, George. Introduction to Riemann Surfaces. Massachusetts: Addison-Wesley, 1957.

MLA استشهاد

Springer, George. Introduction to Riemann Surfaces. Addison-Wesley, 1957.