APA (7th ed.) Citation

Ionescu, M. I., Ross, D. N., & Wooler, G. H. (1972). Biological tissue in heart valve replacement. Butterworths.

Chicago Style (17th ed.) Citation

Ionescu, Marian I., D. N. Ross, and G. H. Wooler. Biological Tissue in Heart Valve Replacement. London: Butterworths, 1972.

MLA (8th ed.) Citation

Ionescu, Marian I., et al. Biological Tissue in Heart Valve Replacement. Butterworths, 1972.