APA Style
Willson, J.Robert. (1991).
Obstetric and gynecology (9).
Boston:
Mosby.
Chicago Style
Willson, J.Robert.
Obstetric and gynecology.
9
Boston:
Mosby,
1991.
Text.
MLA Style
Willson, J.Robert.
Obstetric and gynecology.
9
Boston:
Mosby,
1991.
Text.
Turabian Style
Willson, J.Robert.
Obstetric and gynecology.
9
Boston:
Mosby,
1991.
Print.