APA (7th ed.) Citation

Discovery Channel (Firm) & Bell, B. (2003). London (9th ed., rev. and updated.). Apa Publications.

Chicago Style (17th ed.) Citation

Discovery Channel (Firm) and Brian Bell. London. 9th ed., rev. and updated. Singapore: Apa Publications, 2003.

MLA (9th ed.) Citation

Discovery Channel (Firm) and Brian Bell. London. 9th ed., rev. and updated. Apa Publications, 2003.