APA (7th ed.) Citation

Liao, S. J., Lee, M. H. M., & Ng, L. K. Y. Principles and Practice of contemporary Acupuncture.

Chicago Style (17th ed.) Citation

Liao, S. J., M. H. M. Lee, and L. K. Y. Ng. Principles and Practice of Contemporary Acupuncture.

MLA (9th ed.) Citation

Liao, S. J., et al. Principles and Practice of Contemporary Acupuncture.