Cita APA (7a ed.)

Manlapaz, R. L. (1977). An introduction to Fortran IV. s.n.

Cita Chicago Style (17a ed.)

Manlapaz, Romeo L. An Introduction to Fortran IV. s.l: s.n, 1977.

Cita MLA (9a ed.)

Manlapaz, Romeo L. An Introduction to Fortran IV. s.n, 1977.