Cita APA (7th ed.)

WELLS, K. (1963). Posture exercise handbook: A progressive sequence approach. The Ronald Press Co.

Cita Chicago (17th ed.)

WELLS, Katharine. Posture Exercise Handbook: A Progressive Sequence Approach. New York: The Ronald Press Co, 1963.

Cita MLA (9th ed.)

WELLS, Katharine. Posture Exercise Handbook: A Progressive Sequence Approach. The Ronald Press Co, 1963.

Atenció: Aquestes cites poden no estar 100% correctes.