APA (7th ed.) Citation

Siek Marguerite & Heymans Tho. (1995). Vietnam. Heinemann Asia.

Chicago Style (17th ed.) Citation

Siek Marguerite and Heymans Tho. Vietnam. Singapore: Heinemann Asia, 1995.

MLA (9th ed.) Citation

Siek Marguerite and Heymans Tho. Vietnam. Heinemann Asia, 1995.