Cita APA (7th ed.)

DOUGLAS, R. A. (1963). Introduction to solid mechanics. Pitman.

Cita Chicago (17th ed.)

DOUGLAS, Robert A. Introduction to Solid Mechanics. London: Pitman, 1963.

Cita MLA (9th ed.)

DOUGLAS, Robert A. Introduction to Solid Mechanics. Pitman, 1963.

Atenció: Aquestes cites poden no estar 100% correctes.