Cita APA (7th ed.)

Booth, A. D. (1965). Automatic digital calculators (3rd ed.). Butterworth.

Cita Chicago (17th ed.)

Booth, Andrew D. Automatic Digital Calculators. 3rd ed. London: Butterworth, 1965.

Cita MLA (9th ed.)

Booth, Andrew D. Automatic Digital Calculators. 3rd ed. Butterworth, 1965.