APA (7th ed.) Citation

Geyer, H. (1939). Zur Ätiologie der mongoloiden Idiotie. Thieme.

Chicago Style (17th ed.) Citation

Geyer, Horst. Zur Ätiologie Der Mongoloiden Idiotie. Leipzig: Thieme, 1939.

MLA (9th ed.) Citation

Geyer, Horst. Zur Ätiologie Der Mongoloiden Idiotie. Thieme, 1939.

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