Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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