Cita APA

Attewell, P. B., & Farmer, I. W. (1979). Principles of engineering geology. Chapman and Hall.

Citación estilo Chicago

Attewell, Peter B., and Ian W. Farmer. Principles of Engineering Geology. London: Chapman and Hall, 1979.

Cita MLA

Attewell, Peter B., and Ian W. Farmer. Principles of Engineering Geology. London: Chapman and Hall, 1979.