APA (7th ed.) Citation

Choon Hoon, L., & Yee, S. O. (2000). Earth: our home: A secondary geography course ([Lower secondary course].). MPH Education.

Chicago Style (17th ed.) Citation

Choon Hoon, Lau, and Sze Onn Yee. Earth: Our Home: A Secondary Geography Course. [Lower secondary course]. Singapore: MPH Education, 2000.

MLA (9th ed.) Citation

Choon Hoon, Lau, and Sze Onn Yee. Earth: Our Home: A Secondary Geography Course. [Lower secondary course]. MPH Education, 2000.