APA (7th ed.) Citation

Vries, A. d. (1930). Das Deutschtum in Estland.

Chicago Style (17th ed.) Citation

Vries, Axel de. Das Deutschtum in Estland. Berlin, 1930.

MLA (9th ed.) Citation

Vries, Axel de. Das Deutschtum in Estland. 1930.

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