APA Citation

Perkins, J. W. (1980). Cliff and slope stability: South Wales. Cardiff: University College, Cardiff, Dept. of Extra-Mural Studies.

Chicago Style Citation

Perkins, John W. Cliff and Slope Stability: South Wales. Cardiff: University College, Cardiff, Dept. of Extra-Mural Studies, 1980.

MLA Citation

Perkins, John W. Cliff and Slope Stability: South Wales. Cardiff: University College, Cardiff, Dept. of Extra-Mural Studies, 1980.

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