APA (7th ed.) Citation

Mui, L., & Quercia, V. (1994). X users tools. O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Mui, Linda, and Valerie Quercia. X Users Tools. Sebastopol, CA: O'Reilly & Associates, 1994.

MLA (8th ed.) Citation

Mui, Linda, and Valerie Quercia. X Users Tools. O'Reilly & Associates, 1994.

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