APA (7th ed.) Citation

Watts, L. (1993). Usborne introduction to machine code for beginners. Usborne Ltd.

Chicago Style (17th ed.) Citation

Watts, Lisa. Usborne Introduction to Machine Code for Beginners. London: Usborne Ltd, 1993.

MLA (9th ed.) Citation

Watts, Lisa. Usborne Introduction to Machine Code for Beginners. Usborne Ltd, 1993.

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