APA (7th ed.) Citation

ALLAN HALL. (1994). The World;s Greatest Secrets (1 st ed.). Octopus Publishing Group Limited.

Chicago Style (17th ed.) Citation

ALLAN HALL. The World;s Greatest Secrets. 1 st ed. London: Octopus Publishing Group Limited, 1994.

MLA (9th ed.) Citation

ALLAN HALL. The World;s Greatest Secrets. 1 st ed. Octopus Publishing Group Limited, 1994.

Warning: These citations may not always be 100% accurate.