Cita APA (7th ed.)

Higgins, C. B., & Silverman, N. H. (1990). Congenital Heart Diseases: Echocardiography and Megnetic Resonance Imaging. Raven Press.

Cita Chicago (17th ed.)

Higgins, Charles B., i Norman H. Silverman. Congenital Heart Diseases: Echocardiography and Megnetic Resonance Imaging. New York: Raven Press, 1990.

Cita MLA (9th ed.)

Higgins, Charles B., i Norman H. Silverman. Congenital Heart Diseases: Echocardiography and Megnetic Resonance Imaging. Raven Press, 1990.