Cita APA (7a ed.)

Cella, D. F., & Tulsky, D. S. (1993). Quality of life in cancer: Definition, purpose, and method of measurement. [s.n.].

Cita Chicago Style (17a ed.)

Cella, David F., y David S. Tulsky. Quality of Life in Cancer: Definition, Purpose, and Method of Measurement. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Cella, David F., y David S. Tulsky. Quality of Life in Cancer: Definition, Purpose, and Method of Measurement. [s.n.], 1993.