APA Style
Codd, E.F.. (1990).
The RELATIONAL MODEL for DATABASE MANAGEMENT, VERSION 2 (1st).
New York:
Addison-Wesley Publishing Company.
Chicago Style
Codd, E.F..
The RELATIONAL MODEL for DATABASE MANAGEMENT, VERSION 2.
1st
New York:
Addison-Wesley Publishing Company,
1990.
Text.
MLA Style
Codd, E.F..
The RELATIONAL MODEL for DATABASE MANAGEMENT, VERSION 2.
1st
New York:
Addison-Wesley Publishing Company,
1990.
Text.
Turabian Style
Codd, E.F..
The RELATIONAL MODEL for DATABASE MANAGEMENT, VERSION 2.
1st
New York:
Addison-Wesley Publishing Company,
1990.
Print.