Cita APA (7th ed.)

Ledley, R. S. (1965). Use of computers in biology and medicine. McGraw-Hill.

Cita Chicago (17th ed.)

Ledley, Robert Steven. Use of Computers in Biology and Medicine. New York: McGraw-Hill, 1965.

Cita MLA (9th ed.)

Ledley, Robert Steven. Use of Computers in Biology and Medicine. McGraw-Hill, 1965.