APA (7th ed.) Citation

Holt Productions, PBS Distribution (Firm), & Holt, S. (2012). Cracking your genetic code. PBS Distribution.

Chicago Style (17th ed.) Citation

Holt Productions, PBS Distribution (Firm), and Sarah Holt. Cracking Your Genetic Code. [United States]: PBS Distribution, 2012.

MLA (8th ed.) Citation

Holt Productions, et al. Cracking Your Genetic Code. PBS Distribution, 2012.

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