APA (7th ed.) Citation

Kürschák, J., & Hajós, G. (1975). Hungarian problem book. Mathematical Association of America.

Chicago Style (17th ed.) Citation

Kürschák, József, and György Hajós. Hungarian Problem Book. Washington, D.C.: Mathematical Association of America, 1975.

MLA (9th ed.) Citation

Kürschák, József, and György Hajós. Hungarian Problem Book. Mathematical Association of America, 1975.

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