Cita APA (7a ed.)

Codasyl. (1969). A survey of generalizad data base management systems. [s.n.].

Cita Chicago Style (17a ed.)

Codasyl. A Survey of Generalizad Data Base Management Systems. Washington: [s.n.], 1969.

Cita MLA (9a ed.)

Codasyl. A Survey of Generalizad Data Base Management Systems. [s.n.], 1969.