APA (7th ed.) Citation

Discovery Channel (Firm). (2004). Prague (5th ed., updated.). APA Publications.

Chicago Style (17th ed.) Citation

Discovery Channel (Firm). Prague. 5th ed., updated. Singapore: APA Publications, 2004.

MLA (9th ed.) Citation

Discovery Channel (Firm). Prague. 5th ed., updated. APA Publications, 2004.

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