APA (7th ed.) Citation

Wentworth-Sheilds, F. E., & Gray, W. S. (1938). Reinforced concrete piling. Concrete Publications.

Chicago Style (17th ed.) Citation

Wentworth-Sheilds, F. E., and W. S. Gray. Reinforced Concrete Piling. London: Concrete Publications, 1938.

MLA (8th ed.) Citation

Wentworth-Sheilds, F. E., and W. S. Gray. Reinforced Concrete Piling. Concrete Publications, 1938.