APA (7th ed.) Citation

Bayles, S. (2007). Laugh and learn about childbirth (New and updated.). Expect This L.L.C..

Chicago Style (17th ed.) Citation

Bayles, Sheri. Laugh and Learn About Childbirth. New and updated. [United States]: Expect This L.L.C., 2007.

MLA (8th ed.) Citation

Bayles, Sheri. Laugh and Learn About Childbirth. New and updated. Expect This L.L.C., 2007.

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