APA Style
LEDGARD, T.G.. (1977).
Punctuation book four .
London:
Cassell.
Chicago Style
LEDGARD, T.G..
Punctuation book four.
London:
Cassell,
1977.
Text.
MLA Style
LEDGARD, T.G..
Punctuation book four.
London:
Cassell,
1977.
Text.
Turabian Style
LEDGARD, T.G..
Punctuation book four.
London:
Cassell,
1977.
Print.