Cita APA (7a ed.)
Pile foundation / Chellis, Robert D: McGraw Hill Book 2nd ed (2nd ed.).
Cita Chicago Style (17a ed.)
Pile Foundation / Chellis, Robert D: McGraw Hill Book 2nd Ed. 2nd ed.
Cita MLA (9a ed.)
Pile Foundation / Chellis, Robert D: McGraw Hill Book 2nd Ed. 2nd ed.
Precaución: Estas citas no son 100% exactas.