APA (7th ed.) Citation

Holmgren, L. (1939). Hearing tests and hearing aids: A clinical and experimental study. Thule.

Chicago Style (17th ed.) Citation

Holmgren, Lennart. Hearing Tests and Hearing Aids: A Clinical and Experimental Study. Stockholm: Thule, 1939.

MLA (9th ed.) Citation

Holmgren, Lennart. Hearing Tests and Hearing Aids: A Clinical and Experimental Study. Thule, 1939.

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