APA (7th ed.) Citation

AW, L., KC, C., WK, C., & KH, W. (2013). Authors' reply. Hong Kong medical journal = Xianggang yi xue za zhi, 19(6), 561.

Chicago Style (17th ed.) Citation

AW, Lin, Chan KC, Chan WK, and Wong KH. "Authors' Reply." Hong Kong Medical Journal = Xianggang Yi Xue Za Zhi 19, no. 6 (2013): 561.

MLA (9th ed.) Citation

AW, Lin, et al. "Authors' Reply." Hong Kong Medical Journal = Xianggang Yi Xue Za Zhi, vol. 19, no. 6, 2013, p. 561.