APA Style
Yin, L, S. (2007).
The young scientists 74 level 2 : I saw aurora, saving earth (74 level 2).
Singapore:
Young Scientists Enterprise.
MLA Style
Yin, Leong, Sheng.
"The young scientists 74 level 2 : I saw aurora, saving earth".
74 level 2
Singapore:
Young Scientists Enterprise,
2007.
Text.