APA (7th ed.) Citation

Kuczma, M. (1968). Functional equations in a single variable. [PWN-Polish Scientific Publishers].

Chicago Style (17th ed.) Citation

Kuczma, Marek. Functional Equations in a Single Variable. Warszawa: [PWN-Polish Scientific Publishers], 1968.

MLA (9th ed.) Citation

Kuczma, Marek. Functional Equations in a Single Variable. [PWN-Polish Scientific Publishers], 1968.

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