Citazione Stile APA (7a Edizione)

ebrary, Inc, & Collins, S. (2008). Oxford handbook of obstetrics and gynaecology (2nd ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, e Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford ; New York: Oxford University Press, 2008.

Citatione MLA (9a ed.)

ebrary, Inc, e Sally Collins. Oxford Handbook of Obstetrics and Gynaecology. 2nd ed. Oxford University Press, 2008.