Klaus, M. H., Kennell, J. H., & Klaus, P. H. (2012). The doula book: How a trained labor companion can help you have a shorter, easier, and healthier birth (3rd ed.). Lifelong Books/Da Capo Press.
Style de citation Chicago (17e éd.)Klaus, Marshall H., John H. Kennell, et Phyllis H. Klaus. The Doula Book: How a Trained Labor Companion Can Help You Have a Shorter, Easier, and Healthier Birth. 3rd ed. Boston, MA: Lifelong Books/Da Capo Press, 2012.
Style de citation MLA (8e éd.)Klaus, Marshall H., et al. The Doula Book: How a Trained Labor Companion Can Help You Have a Shorter, Easier, and Healthier Birth. 3rd ed. Lifelong Books/Da Capo Press, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.