APA (7th ed.) Citation

Dignam, J., Harrigan, J., & Wellington, M. C. (2004). Pregnancy, labor and delivery. Distributed by Concept Media.

Chicago Style (17th ed.) Citation

Dignam, Janet, Jim Harrigan, and Marcia C. Wellington. Pregnancy, Labor and Delivery. Irvine, California: Distributed by Concept Media, 2004.

MLA (9th ed.) Citation

Dignam, Janet, et al. Pregnancy, Labor and Delivery. Distributed by Concept Media, 2004.