APA (7th ed.) Citation

Adam Matthew Digital (Firm). (2007). Empire online. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). Empire Online. Marlborough, England: Adam Matthew Digital, 2007.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). Empire Online. Adam Matthew Digital, 2007.

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