APA (7th ed.) Citation

Keelon, J. (1959). Tested problems for calculators and listing machines. Prentice-Hall.

Chicago Style (17th ed.) Citation

Keelon, John. Tested Problems for Calculators and Listing Machines. Englewood Cliffs, NJ: Prentice-Hall, 1959.

MLA (9th ed.) Citation

Keelon, John. Tested Problems for Calculators and Listing Machines. Prentice-Hall, 1959.

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