MLA

C Choo, and Roger C Ho. Clinical Psychology Casebook Across the Lifespan. Springer Singapore, 2019.

APA

C Choo, C. Choo, & C Ho, R. (2019). Clinical Psychology Casebook Across the Lifespan. Springer Singapore.

Chicago

C Choo, and Roger C Ho. Clinical Psychology Casebook Across the Lifespan. : Springer Singapore, 2019.