Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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