Topology:
lecture notes by Prof. Eilenberg. N. Y. U. Institute for math. and mech., summer 1948.

APA Citation

Eilenberg, S., Courant Institute of Mathematical Sciences. (1948). Topology. [New York.

MLA Citation

Eilenberg, Samuel, and Courant Institute of Mathematical Sciences. Topology. [New York, 1948.

Warning: These citations may not always be complete (especially for serials).