APA Style
Trask, R L. (Robert Lawrence). (1997).
The Penguin guide to punctuation .
London:
Penguin Books.
Chicago Style
Trask, R L. (Robert Lawrence).
The Penguin guide to punctuation.
London:
Penguin Books,
1997.
.
MLA Style
Trask, R L. (Robert Lawrence).
The Penguin guide to punctuation.
London:
Penguin Books,
1997.
.
Turabian Style
Trask, R L. (Robert Lawrence).
The Penguin guide to punctuation.
London:
Penguin Books,
1997.
.