APA (7th ed.) Citation

Cobb, R. H. (1970). Mathematics with a desk calculator. G. Bell.

Chicago Style (17th ed.) Citation

Cobb, R. H. Mathematics with a Desk Calculator. London: G. Bell, 1970.

MLA (9th ed.) Citation

Cobb, R. H. Mathematics with a Desk Calculator. G. Bell, 1970.

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