Cita APA (7a ed.)

Crabb, H. C. (1998). The virtual engineer 21st century product development (1a ed.). S.M.E.

Cita Chicago Style (17a ed.)

Crabb, Howard C. The Virtual Engineer 21st Century Product Development. 1a ed. Michigan: S.M.E, 1998.

Cita MLA (9a ed.)

Crabb, Howard C. The Virtual Engineer 21st Century Product Development. 1a ed. S.M.E, 1998.