Cita APA (7a ed.)

Abernathy, W. J., & Townsend, P. L. (1975). Technology, productivity and process change. [s.n.].

Cita Chicago Style (17a ed.)

Abernathy, William J., y Phillip L. Townsend. Technology, Productivity and Process Change. [S.l.]: [s.n.], 1975.

Cita MLA (9a ed.)

Abernathy, William J., y Phillip L. Townsend. Technology, Productivity and Process Change. [s.n.], 1975.