APA (7th ed.) Citation

Borsuk, K. (1967). Theory of retracts. PWN.

Chicago Style (17th ed.) Citation

Borsuk, Karol. Theory of Retracts. Warszawa: PWN, 1967.

MLA (9th ed.) Citation

Borsuk, Karol. Theory of Retracts. PWN, 1967.

Warning: These citations may not always be 100% accurate.