Cita APA (7th ed.)

Schell, B. A. B., & Gillen, G. (2019). Willard & Spackman's occupational therapy (Thirteenth edition.). Wolters Kluwer.

Cita Chicago (17th ed.)

Schell, Barbara A. Boyt, i Glen Gillen. Willard & Spackman's Occupational Therapy. Thirteenth edition. Philadelphia: Wolters Kluwer, 2019.

Cita MLA (9th ed.)

Schell, Barbara A. Boyt, i Glen Gillen. Willard & Spackman's Occupational Therapy. Thirteenth edition. Wolters Kluwer, 2019.