Cita APA (7a ed.)

Legget, R. F. (1939). Geology and engineering. McGraw-Hill.

Cita Chicago Style (17a ed.)

Legget, Robert F. Geology and Engineering. New York: McGraw-Hill, 1939.

Cita MLA (8a ed.)

Legget, Robert F. Geology and Engineering. McGraw-Hill, 1939.