APA Style
Allen, Robert. (2005).
PWG: How to write better English .
ENGLAND:
PENGUIN GROUP.
Chicago Style
Allen, Robert.
PWG: How to write better English.
ENGLAND:
PENGUIN GROUP,
2005.
Text.
MLA Style
Allen, Robert.
PWG: How to write better English.
ENGLAND:
PENGUIN GROUP,
2005.
Text.
Turabian Style
Allen, Robert.
PWG: How to write better English.
ENGLAND:
PENGUIN GROUP,
2005.
Print.