APA (7th ed.) Citation

Farrar, D. M., & Samuel, H. R. (1989). Field study of filter drains at Swanley, Kent. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Farrar, D. M., and H. R. Samuel. Field Study of Filter Drains at Swanley, Kent. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1989.

MLA (9th ed.) Citation

Farrar, D. M., and H. R. Samuel. Field Study of Filter Drains at Swanley, Kent. Transport and Road Research Laboratory, 1989.