Cita APA (7a ed.)

Chellis, R. D. (1961). Pile Foundations. McGraw-Hill.

Cita Chicago Style (17a ed.)

Chellis, Robert D. Pile Foundations. McGraw-Hill, 1961.

Cita MLA (8a ed.)

Chellis, Robert D. Pile Foundations. McGraw-Hill, 1961.