APA Style
Hall, Allan. (1989).
The World's greatest Secrets .
London:
Harper Perennial.
Chicago Style
Hall, Allan.
The World's greatest Secrets.
London:
Harper Perennial,
1989.
Text.
MLA Style
Hall, Allan.
The World's greatest Secrets.
London:
Harper Perennial,
1989.
Text.
Turabian Style
Hall, Allan.
The World's greatest Secrets.
London:
Harper Perennial,
1989.
Print.