Cita APA (7a ed.)

Greenwell, A., & Elsden, J. V. (1901). Roads: Their construction and maintenance, with special reference to road materials. Whittaker.

Cita Chicago Style (17a ed.)

Greenwell, Allan, y J. V. Elsden. Roads: Their Construction and Maintenance, with Special Reference to Road Materials. London ; New York: Whittaker, 1901.

Cita MLA (8a ed.)

Greenwell, Allan, y J. V. Elsden. Roads: Their Construction and Maintenance, with Special Reference to Road Materials. Whittaker, 1901.