Colgan. (2013). Advice to the Healer (2.). Springer US.
Cita Chicago (17th ed.)Colgan. Advice to the Healer. 2. Springer US, 2013.
Cita MLA (8th ed.)Colgan. Advice to the Healer. 2. Springer US, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.