Cita APA (7a ed.)

Popper, H., & Schaffner, F. (1965). Progress in liver diseases. William Heinemann Medical Books, Ltd..

Cita Chicago Style (17a ed.)

Popper, Hans, y Fenton Schaffner. Progress in Liver Diseases. London: William Heinemann Medical Books, Ltd., 1965.

Cita MLA (8a ed.)

Popper, Hans, y Fenton Schaffner. Progress in Liver Diseases. William Heinemann Medical Books, Ltd., 1965.