APA Style
Fundamentals of Cobol. (1969).
[S.L.]:
[S.N.].
Chicago Style
Fundamentals of Cobol.
1.
[S.L.]:
[S.N.],
1969.
REF.
MLA Style
Fundamentals of Cobol.
1.
[S.L.]:
[S.N.],
1969.
REF.
Turabian Style
Fundamentals of Cobol.
[S.L.]:
[S.N.],
1969.
REF.