APA (7th ed.) Citation

Perry, J., Oliver-Atherton, N., Martínez, M., Crawford, J., Hilliard, S., Stidham, J., . . . Injoy Productions. (2001). Understanding birth: A comprehensive guide to child birth. Injoy Videos.

Chicago Style (17th ed.) Citation

Perry, Julie., et al. Understanding Birth: A Comprehensive Guide to Child Birth. Boulder, CO: Injoy Videos, 2001.

MLA (8th ed.) Citation

Perry, Julie., et al. Understanding Birth: A Comprehensive Guide to Child Birth. Injoy Videos, 2001.