APA引文

Croom,, F. H. (1978). Basic concepts of algebraic topology. Springer.

Chicago Edition Citation

Croom,, Fred H. Basic Concepts of Algebraic Topology. Berlin: Springer, 1978.

MLA引文

Croom,, Fred H. Basic Concepts of Algebraic Topology. Springer, 1978.

警告：這些引文格式不一定是100％准確.