APA (7th ed.) Citation

Hudson, P. A. (1951). The absorption of ultrasonic waves in liquids. [publisher not identified].

Chicago Style (17th ed.) Citation

Hudson, Paul A. The Absorption of Ultrasonic Waves in Liquids. [College Station, Tex.]: [publisher not identified], 1951.

MLA (9th ed.) Citation

Hudson, Paul A. The Absorption of Ultrasonic Waves in Liquids. [publisher not identified], 1951.

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