Cita APA (7a ed.)

Willard, H. S., & Spackman, C. S. (1954). Principles of occupational therapy (2nd ed.). J. B. Lippincott.

Cita Chicago Style (17a ed.)

Willard, Helen S., y Clare S. Spackman. Principles of Occupational Therapy. 2nd ed. Philadelphia: J. B. Lippincott, 1954.

Cita MLA (8a ed.)

Willard, Helen S., y Clare S. Spackman. Principles of Occupational Therapy. 2nd ed. J. B. Lippincott, 1954.

Precaución: Estas citas no son 100% exactas.