APA (7th ed.) Citation

Willard, H. S. 1. (1954). Principles of occupational therapy (2nd ed.). Lippincott.

Chicago Style (17th ed.) Citation

Willard, Helen Smith 1894. Principles of Occupational Therapy. 2nd ed. Philadelphia: Lippincott, 1954.

MLA (9th ed.) Citation

Willard, Helen Smith 1894. Principles of Occupational Therapy. 2nd ed. Lippincott, 1954.