APA (7th ed.) Citation

Wolters, M. F. (1972). The key to the computer. MTP.

Chicago Style (17th ed.) Citation

Wolters, Martin F. The Key to the Computer. Oxford: MTP, 1972.

MLA (9th ed.) Citation

Wolters, Martin F. The Key to the Computer. MTP, 1972.

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