Cita APA (7th ed.)
Smith, H., & Smith, M. (2008). The art of helping others: Being around, being there, being wise. Jessica Kingsley Publishers.
Cita Chicago (17th ed.)
Smith, Heather, i Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. London ; Philadelphia: Jessica Kingsley Publishers, 2008.
Cita MLA (9th ed.)
Smith, Heather, i Mark Smith. The Art of Helping Others: Being Around, Being There, Being Wise. Jessica Kingsley Publishers, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.