Cita APA (7a ed.)

Willard, H. S., Spackman, C. S., Neistadt, M. E., & Crepeau, E. B. (1998). Willard and Spackman's occupational therapy (9th ed.). Lippincott-Raven Publishers.

Cita Chicago Style (17a ed.)

Willard, Helen S., Clare S. Spackman, Maureen E. Neistadt, y Elizabeth Blesedell Crepeau. Willard and Spackman's Occupational Therapy. 9th ed. Philadelphia [etc.]: Lippincott-Raven Publishers, 1998.

Cita MLA (9a ed.)

Willard, Helen S., et al. Willard and Spackman's Occupational Therapy. 9th ed. Lippincott-Raven Publishers, 1998.