APA Citation

Pullan, J. M. (1970). The history of the abacus (2. edition.). London: Hutchinson of London.

Chicago Style Citation

Pullan, J. M. The History of the Abacus. 2. edition. London: Hutchinson of London, 1970.

MLA Citation

Pullan, J. M. The History of the Abacus. 2. edition. London: Hutchinson of London, 1970.

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