Gaya APA

Chua, C. et al (1998). Constraint-based spatial representation technique for the container packing problem (9/1 [1998] 23–33). Singapore: Emerald Insight.

Gaya MLA

Chua, C.K.. et al. "Constraint-based spatial representation technique for the container packing problem". 9/1 [1998] 23–33 Singapore: Emerald Insight, 1998. Article.