Cita APA (7a ed.)

Abbott, W. (1939). Practical geometry and engineering graphics: A textbook for engineering students (3rd ed.). Blackie.

Cita Chicago Style (17a ed.)

Abbott, W. Practical Geometry and Engineering Graphics: A Textbook for Engineering Students. 3rd ed. London: Blackie, 1939.

Cita MLA (9a ed.)

Abbott, W. Practical Geometry and Engineering Graphics: A Textbook for Engineering Students. 3rd ed. Blackie, 1939.