Cita APA (7th ed.)

ebrary, Inc, Oliveira, M. D., & Copley, W. S. (2009). Heart disease in children. Nova Biomedical Books.

Cita Chicago (17th ed.)

ebrary, Inc, Marius D. Oliveira, i William S. Copley. Heart Disease in Children. New York: Nova Biomedical Books, 2009.

Cita MLA (9th ed.)

ebrary, Inc, et al. Heart Disease in Children. Nova Biomedical Books, 2009.