Style de citation APA (7e éd.)

Leveno, K. J. (2007). Williams manual of obstetrics: Pregnancy complications (22nd ed.). McGraw-Hill.

Style de citation Chicago (17e éd.)

Leveno, Kenneth J. Williams Manual of Obstetrics: Pregnancy Complications. 22nd ed. Singapore: McGraw-Hill, 2007.

Style de citation MLA (9e éd.)

Leveno, Kenneth J. Williams Manual of Obstetrics: Pregnancy Complications. 22nd ed. McGraw-Hill, 2007.