APA (7th ed.) Citation

Choo Yen, F., Chunjiang, F., & Yaw Hoong, S. (2005). The Great Explorer CHENG HO: Ambassador of Peace. ASIAPAC BOOKS PTE LTD.

Chicago Style (17th ed.) Citation

Choo Yen, Foo, Fu Chunjiang, and Siew Yaw Hoong. The Great Explorer CHENG HO: Ambassador of Peace. Singapore: ASIAPAC BOOKS PTE LTD, 2005.

MLA (9th ed.) Citation

Choo Yen, Foo, et al. The Great Explorer CHENG HO: Ambassador of Peace. ASIAPAC BOOKS PTE LTD, 2005.