APA (7th ed.) Citation

Engelking, R., Sieklucki, K., & Ostaszewski, A. (1992). Topology: A geometric approach. Heldermann.

Chicago Style (17th ed.) Citation

Engelking, Ryszard, Karol Sieklucki, and Adam Ostaszewski. Topology: A Geometric Approach. Berlin: Heldermann, 1992.

MLA (9th ed.) Citation

Engelking, Ryszard, et al. Topology: A Geometric Approach. Heldermann, 1992.