Cita APA (7a ed.)

Yourdon, E. (1972). Design of on-line computer systems. Prentice-Hall, Inc..

Cita Chicago Style (17a ed.)

Yourdon, Edward. Design of On-line Computer Systems. New Jersey: Prentice-Hall, Inc., 1972.

Cita MLA (8a ed.)

Yourdon, Edward. Design of On-line Computer Systems. Prentice-Hall, Inc., 1972.