APA (7th ed.) Citation

Powell, R., & Lim, A. K. S. (2009). Singapore houses. Tuttle Publishing.

Chicago Style (17th ed.) Citation

Powell, Robert, and Albert K. S. Lim. Singapore Houses. North Clarendon, Vt.: Tuttle Publishing, 2009.

MLA (9th ed.) Citation

Powell, Robert, and Albert K. S. Lim. Singapore Houses. Tuttle Publishing, 2009.