APA (7th ed.) Citation

Koh, T. T. B., & Koh, R. W. J. (2015). Over Singapore. Editions Didier Millet.

Chicago Style (17th ed.) Citation

Koh, Tommy T. B., and Richard W. J. Koh. Over Singapore. Singapore: Editions Didier Millet, 2015.

MLA (8th ed.) Citation

Koh, Tommy T. B., and Richard W. J. Koh. Over Singapore. Editions Didier Millet, 2015.