APA Citation

Horner, P. C., & Horner, P. C. (1988). Earthworks (2. edition --.). London, Sydney: T. Telford.

Chicago Style Citation

Horner, P. C., and P. C. Horner. Earthworks. 2. edition --. London, Sydney: T. Telford, 1988.

MLA Citation

Horner, P. C., and P. C. Horner. Earthworks. 2. edition --. London, Sydney: T. Telford, 1988.

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