APA (7th ed.) Citation

Muhammad 'Afif, M. A. (2011). Design and fabrication of ventilated cat litter box.

Chicago Style (17th ed.) Citation

Muhammad 'Afif, Mohamed Azmi. Design and Fabrication of Ventilated Cat Litter Box. 2011.

MLA (9th ed.) Citation

Muhammad 'Afif, Mohamed Azmi. Design and Fabrication of Ventilated Cat Litter Box. 2011.

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