APA (7th ed.) Citation

(2008). Britney Spears [: Circus. Zomba Recording Corporation.

Chicago Style (17th ed.) Citation

Britney Spears [: Circus. s.l: Zomba Recording Corporation, 2008.

MLA (9th ed.) Citation

Britney Spears [: Circus. Zomba Recording Corporation, 2008.

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