APA (7th ed.) Citation

Al-Shammari, K. A. H., & unknown. (1998). An annulus approach to fuzzy subgroups.

Chicago Style (17th ed.) Citation

Al-Shammari, Khalid Abdul-Aziz Holayan, and unknown. An Annulus Approach to Fuzzy Subgroups. 1998.

MLA (9th ed.) Citation

Al-Shammari, Khalid Abdul-Aziz Holayan, and unknown. An Annulus Approach to Fuzzy Subgroups. 1998.

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