APA (7th ed.) Citation

Wolters, M. F., Richards, B., & Prinz, D. (1972). The key to the computer. MTP Medical and Technical Publishing Co, Ltd.

Chicago Style (17th ed.) Citation

Wolters, Martin Francis, B. Richards, and Dietrich Prinz. The Key to the Computer. Oxford (Seacourt Tower, Westway, Oxford): MTP Medical and Technical Publishing Co, Ltd, 1972.

MLA (8th ed.) Citation

Wolters, Martin Francis, et al. The Key to the Computer. MTP Medical and Technical Publishing Co, Ltd, 1972.