APA Style
Public affairs information service Oct.1970-1971 (key to periodical references). ([ s . a ]).
:
[s.n].
Chicago Style
Public affairs information service Oct.1970-1971 (key to periodical references).
.
:
[s.n],
[ s . a ].
.
MLA Style
Public affairs information service Oct.1970-1971 (key to periodical references).
.
:
[s.n],
[ s . a ].
.
Turabian Style
Public affairs information service Oct.1970-1971 (key to periodical references).
:
[s.n],
[ s . a ].
.