APA (7th ed.) Citation

Bear, G., & Morton, E. (2013). Halo. MacMillan Audio.

Chicago Style (17th ed.) Citation

Bear, Greg, and Euan Morton. Halo. [New York]: MacMillan Audio, 2013.

MLA (8th ed.) Citation

Bear, Greg, and Euan Morton. Halo. MacMillan Audio, 2013.

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