APA (7th ed.) Citation

Al-Hammali, H. Y., & unknown. (2005). Absolutely pure modules and related concepts.

Chicago Style (17th ed.) Citation

Al-Hammali, Hussain Yahya, and unknown. Absolutely Pure Modules and Related Concepts. 2005.

MLA (9th ed.) Citation

Al-Hammali, Hussain Yahya, and unknown. Absolutely Pure Modules and Related Concepts. 2005.

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