APA Style
Athey, P, A., Hadlock, F.
(1981).
Ultrasound in Obstetrics and Gynecology
.
St. Louis:
The C.V. Mosby.
MLA Style
Athey, Patricia, Ann., Hadlock, Frank.
"Ultrasound in Obstetrics and Gynecology".
St. Louis:
The C.V. Mosby,
1981.
print.