Self-determination theory and healthy aging : comparative contexts on physical and mental well-being
  MLA
  Ng, and Gloria Ho. Self-determination Theory and Healthy Aging : Comparative Contexts On Physical and Mental Well-being. Springer Nature Singapore, 2020.
  APA
  Ng, N., & Ho, G. (2020). Self-determination theory and healthy aging : comparative contexts on physical and mental well-being. Springer Nature Singapore.
  Chicago
  Ng, and Gloria Ho. Self-Determination Theory and Healthy Aging : Comparative Contexts On Physical and Mental Well-Being. : Springer Nature Singapore, 2020.