APA (7th ed.) Citation

Cracknell, A. P. (1980). Ultrasonics / (by) A. P. Cracknell. Wykeham Publications.

Chicago Style (17th ed.) Citation

Cracknell, A. P. Ultrasonics / (by) A. P. Cracknell. London (etc.): Wykeham Publications, 1980.

MLA (9th ed.) Citation

Cracknell, A. P. Ultrasonics / (by) A. P. Cracknell. Wykeham Publications, 1980.

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