Cita APA (7th ed.)

Ledley, R. S. (1966). FORTRAN IV programming. McGraw-Hill Book Company.

Cita Chicago (17th ed.)

Ledley, Robert Steven. FORTRAN IV Programming. New York: McGraw-Hill Book Company, 1966.

Cita MLA (9th ed.)

Ledley, Robert Steven. FORTRAN IV Programming. McGraw-Hill Book Company, 1966.