Cita APA (7a ed.)

Crook, W. E. (1943). Elementary mathematics for wireless operators (2da ed.). Sir I. Pitman & sons, ltd.

Cita Chicago Style (17a ed.)

Crook, W. E. Elementary Mathematics for Wireless Operators. 2da ed. London: Sir I. Pitman & sons, ltd, 1943.

Cita MLA (8a ed.)

Crook, W. E. Elementary Mathematics for Wireless Operators. 2da ed. Sir I. Pitman & sons, ltd, 1943.