Cita APA (7a ed.)

Walker, W. F. (1963). Engineering productivity: Volume I: Tools, machinesand processes. Crosby lockwood.

Cita Chicago Style (17a ed.)

Walker, W. F. Engineering Productivity: Volume I: Tools, Machinesand Processes. London: Crosby lockwood, 1963.

Cita MLA (8a ed.)

Walker, W. F. Engineering Productivity: Volume I: Tools, Machinesand Processes. Crosby lockwood, 1963.