Williams, H. S. (1914). Twilight sleep: A simple account of new discoveries in painless childbirth. Harper.
Style de citation Chicago (17e éd.)Williams, Henry Smith. Twilight Sleep: A Simple Account of New Discoveries in Painless Childbirth. New York: Harper, 1914.
Style de citation MLA (8e éd.)Williams, Henry Smith. Twilight Sleep: A Simple Account of New Discoveries in Painless Childbirth. Harper, 1914.
Attention : ces citations peuvent ne pas être correctes à 100%.