APA način citiranja (7. izdanje)

Cheong, X. Z. (2016). Removal of copper ions from aqueous solution by papaya seeds. School of Bioprocess Engineering, University Malaysia Perlis.

Čikaški stil citiranja (17. izdanje)

Cheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. Perlis, Malaysia: School of Bioprocess Engineering, University Malaysia Perlis, 2016.

MLA način citiranja (8. izdanje)

Cheong, Xian Zhi. Removal of Copper Ions from Aqueous Solution by Papaya Seeds. School of Bioprocess Engineering, University Malaysia Perlis, 2016.