APA (7th ed.) Citation

Sommer, A. (2009). Hongkong. Thienemann.

Chicago Style (17th ed.) Citation

Sommer, Arne. Hongkong. Stuttgart: Thienemann, 2009.

MLA (9th ed.) Citation

Sommer, Arne. Hongkong. Thienemann, 2009.

Warning: These citations may not always be 100% accurate.