APA (7th ed.) Citation

Discovery Channel (Firm) & Image Entertainment. (2009). Nature of sex: Discovery Channel. Image Entertainment.

Chicago Style (17th ed.) Citation

Discovery Channel (Firm) and Image Entertainment. Nature of Sex: Discovery Channel. Chatsworth, CA: Image Entertainment, 2009.

MLA (9th ed.) Citation

Discovery Channel (Firm) and Image Entertainment. Nature of Sex: Discovery Channel. Image Entertainment, 2009.

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