APA Style

Yin, L, S. (2007). The young scientists 74 level 1 : Hercules ant, i need a nap! (74 level 1). Singapore: Young Scientists Enterprise.

MLA Style

Yin, Leong, Sheng. "The young scientists 74 level 1 : Hercules ant, i need a nap!". 74 level 1 Singapore: Young Scientists Enterprise, 2007. Text.