Cita APA (7th ed.)

Heffner, J. E., & Byock, I. (2002). Palliative and end-of-life pearls. Hanley & Belfus.

Cita Chicago (17th ed.)

Heffner, John E., i Ira Byock. Palliative and End-of-life Pearls. Philadelphia, PA: Hanley & Belfus, 2002.

Cita MLA (9th ed.)

Heffner, John E., i Ira Byock. Palliative and End-of-life Pearls. Hanley & Belfus, 2002.