APA (7th ed.) Citation

Booth, A. D., & Booth, K. H. V. (1965). Automatic digital calculators / by A.D. Booth and K.H.V. Booth (3rd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Booth, A. D., and K. H. V. Booth. Automatic Digital Calculators / by A.D. Booth and K.H.V. Booth. 3rd ed. Butterworths, 1965.

MLA (9th ed.) Citation

Booth, A. D., and K. H. V. Booth. Automatic Digital Calculators / by A.D. Booth and K.H.V. Booth. 3rd ed. Butterworths, 1965.

Warning: These citations may not always be 100% accurate.