Cita APA (7a ed.)

Litton, E. (1973). Automatic computational techniques in civil and structural engineering (1a ed.). [s.n.].

Cita Chicago Style (17a ed.)

Litton, E. Automatic Computational Techniques in Civil and Structural Engineering. 1a ed. Londres: [s.n.], 1973.

Cita MLA (9a ed.)

Litton, E. Automatic Computational Techniques in Civil and Structural Engineering. 1a ed. [s.n.], 1973.