APA (7th ed.) Citation

Liebmann-Smith, J., Nardi Egan, & Stangel. (2006). The unofficial guide to getting pregnant. John Wiley.

Chicago Style (17th ed.) Citation

Liebmann-Smith, Joan, Nardi Egan, and Stangel. The Unofficial Guide to Getting Pregnant. New Jersey: John Wiley, 2006.

MLA (8th ed.) Citation

Liebmann-Smith, Joan, et al. The Unofficial Guide to Getting Pregnant. John Wiley, 2006.