APA (7th ed.) Citation

Ryley, M. D., McCaul, C., & Symons, I. F. (1985). Trench construction: Trial to study ground movement in boulder clay. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Ryley, M. D., C. McCaul, and I. F. Symons. Trench Construction: Trial to Study Ground Movement in Boulder Clay. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1985.

MLA (9th ed.) Citation

Ryley, M. D., et al. Trench Construction: Trial to Study Ground Movement in Boulder Clay. Transport and Road Research Laboratory, 1985.