Cita APA (7a ed.)

Abernathy, W. J., & Utterback, J. M. (1978). Patterns of industrial innovation. [s.n.].

Cita Chicago Style (17a ed.)

Abernathy, William J., y James M. Utterback. Patterns of Industrial Innovation. [S.l.]: [s.n.], 1978.

Cita MLA (9a ed.)

Abernathy, William J., y James M. Utterback. Patterns of Industrial Innovation. [s.n.], 1978.