APA (7th ed.) Citation

Surányi, L. (1930). Ten black years: The tragedy of the Danubian peoples. Published by the autor.

Chicago Style (17th ed.) Citation

Surányi, Lajos. Ten Black Years: The Tragedy of the Danubian Peoples. Budapest: Published by the autor, 1930.

MLA (9th ed.) Citation

Surányi, Lajos. Ten Black Years: The Tragedy of the Danubian Peoples. Published by the autor, 1930.

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