APA (7th ed.) Citation

Langhans, J. (1920). [Buday, Jozef]. s.n.].

Chicago Style (17th ed.) Citation

Langhans, Jan. [Buday, Jozef]. [S.l: s.n.], 1920.

MLA (9th ed.) Citation

Langhans, Jan. [Buday, Jozef]. s.n.], 1920.

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