APA (7th ed.) Citation

Jones, R., & Gatfield, E. N. (1955). Testing concrete by an ultrasonic pulse technique. H.M. Stationery Off.

Chicago Style (17th ed.) Citation

Jones, R., and E. N. Gatfield. Testing Concrete by an Ultrasonic Pulse Technique. London: H.M. Stationery Off, 1955.

MLA (9th ed.) Citation

Jones, R., and E. N. Gatfield. Testing Concrete by an Ultrasonic Pulse Technique. H.M. Stationery Off, 1955.